Written and illustrated by Rui Watanabe, Fairy Tail Blue Mistral is a monthly spin-off manga that was serialized in Nakayoshi from August 2, 2014 to December 1, 2015. The individual chapters are being collected and published in tankōbon volumes by Kodansha, with the first one being released on January 16, 2015. As of January 2016, 4 volumes have been released in Japan. The series amassed a total of 16 chapters and 1 omake chapter during its run.
The series was licensed for an English language release in North America by Kodansha USA on October 12, 2014, with the first volume released on August 25, 2015.
Wendy and Carla decide to go on a job on their own: a request to Nanalu Village. After arriving there, they encounter a girl named Yoshino, who mistakenly attacks them. After befriending her, the trio wander around the village, before the two Fairy TailMages discover the village's dark mystery: a Dragon spirit haunting the area and kidnapping the villagers.
August 2, 2014
2. Dragon Treasure (竜の宝)
As the trio continues their investigation of the case, Wendy encounter Shiyu, a boy from the village, at the Dragon's Valley, who then shows her into the Dragons's Nest. After returning, Wendy and Yoshino have a little duel, before starting to chat. Back at home, Shiyu sneaks a message into Wendy's room, which Yoshino finds and reads, much to her shock, that Shiya wants to meet the young Dragon Slayer.
September 3, 2014
3. The Ghost's Identity (亡霊の正体)
Yoshino, disguised as Wendy, meets Shiyu at the nest, where she manages to discover that he was behind the phenomenon. After Wendy and Carla arrive and defeat Shiya, a thieve group called Night Butterfly appear and start brutalizing the girls to get information about the Dragon's Treasure, just to be stopped with the arrival of Team Natsu.
October 3, 2014
4. Night Butterfly (夜に舞う蝶)
Thanks to the efforts of the Fairy Tail Mages, the Night Butterfly gang is defeated. Shiya then, injured, apologizes to Yoshino before collapsing to his wounds, just to be saved by Wendy's Healing Magic, which, unexpectedly, heals everyone and frees the villagers. Before they leave, the Dragon's Treasure suddenly glows.
November 1, 2014
5. Treasure from a Dragon (竜からの宝物)
After the Dragon's Treasure reveals the truth about the ancient Dragon and Yoshino's great grandmother, Sekiha, Team Natsu bids farewell to the village and departs. Unexpectedly, Wendy and Carla fall off the train home and get trapped in a mysterious mansion, said to be cursed.
December 1, 2014
6. The Big Plan for Escape (脱出大作戦)
While trying to find a way out, Wendy and Carla are caught by a mysterious man. After Carla manages to escape, Wendy befriends the man, who introduces himself as Tan, and reveals to her the truth about the mansion.
December 27, 2014
7. The Forest Wizard (森の魔導士)
Wendy and Tan work together and manage to break out of the mansion, just to be caught once again by the villagers, under the lead of Sarah, the one who trapped Tan and cursed his comrades long time ago.
February 3, 2015
8. True Strength (ほんとうの強さ)
Sarah reveals that when Tan and his comrades arrived, they brought a fatal disease with them that was annihilating life in the forest, and as the travelers have nowhere else to go, she decided to lock them up in the Mansion with her Magic. She then states that the villagers has apparently grew resistance to the disease, and so she nullifies her spell, freeing all of Tan's comrades, before collapsing to her own illness.
March 3, 2015
Side Story: The Lost Ribbon (番外編: 消えたリボン)
Carla discovers the disappearance of her ribbon and decides to search Yoshino's house for it.
January 20, 2015
9. The Adventures of Wendell: Arrival at Aiya Village (ウェンデルの冒険１ 到着！アイアーの町)
According to a rumor that she heard from Lucy, Wendy decided to head to Aiya Town, where there have been supposed kidnappings of young girls by a dragon. Disguised as a boy, The young Mage arrive at the town and acquaints with an in-training royal guard, named Mink, who takes her to his Mother's hotel. In the night, Carla bizarrely leaves Wendy and heads for the Royal Castle of the town, prompting Wendy to ask to join the Guard in order to gain entry.
May 1, 2015
10. The Adventures of Wendell: Where's Carla...? (ウェンデルの冒険２ シャルルはどこ・・・？)
After successfully joining the Royal Guard, Wendy enters the mansion to search for her Exceed partner, with the help of Mink. Having made no progress, Wendy learns about the late sister of the town's Mistress Viola, who died one year ago, causing her sibling's grief and isolation deep into the estate. Determined to search the entire residence, Wendy sneaks in Viola's building, only to be discovered by the Mistress, as well as the Royal Guard Captain, Strings.
June 3, 2015
11. The Adventures of Wendell: The Secret of the Treasure House (ウェンデルの冒険３ 宝物庫のヒミツ)
After finding a clue leading to Carla being in Mistress Viola's house, Wendy is offered help once again from her friend Mink and the two then infiltrate the building, just to find the Exceed, as well as the other missing girls, unconscious, shocking the two. Much to their horror, the females become hostile upon trying to help them, imitating the persona of the late Mistress Sera. Suddenly, Captain Strings appears before the two, prompting the same spell to be cast on the Dragon Slayer, causing her to faint.
July 3, 2015
12. The Adventures of Wendell: Viola and Sera (ウェンデルの冒険４ ビオラとセラ)
Strings reveals the truth to a confused Mink, stating that Mistress Viola, involuntary, uses her Magic to brainwash girls into being her sister Sera, out of grief. Having taken Wendy as well, she takes her to the Fountain of Sacred Water, where Sera died last year, and continues to transform the Fairy Tail Mage into her late sibling. Though successful for a second, Sera returns to comfort her sister, encourage her to find love and tell her that she can not return, before disappearing and leaving only Wendy behind. This prompts Viola to lose control over herself and try to take her life, just to be saved by Strings, who calls for her to continue living, as per her sister's last living request.
August 3, 2015
13. The Angel's Adventure 1: The Angel's Descent (天使の冒険１ 舞い降りた天使)
Once again based on a rumor, Wendy and Carla go to the coastal village of Verrine, where there have been a rumor that Dragon appears upon hearing a harp played by one of the citizens there. While flying with Carla's Aera, the two are mistaken as an actual angel by a little girl named Emily, who was also playing a harp, on the belief it'll summon an angel. In order to both find a dragon-summoning harp player and make the young infant happy, Wendy continues to play the role of a real angel. Emily then bombards the Mage with wishes, the only one possible to be fulfilled was throwing a party for Emily's village people.
September 3, 2015
14. The Angel's Adventure 2: The Devil's Child (天使の冒険２ 悪魔の子)
The group wanders around the city, with Emily trying to choose her second wish and the Fairy Tail Mages looking for clues that might lead to a dragon. When trying to buy some ice cream, Wendy learns of the past of Emily's mother in the village, and why the villagers adore Emily. After that, a group of hooded men try to attack Emily, chasing the girls and cornering them in a cliff. Having forced the enemies back with her Magic, Wendy is poisoned by an arrow, prompting the men to retreat and wait for her death in three days time.
October 3, 2015
15. The Angel's Adventure 3: God's Wrath (天使の冒険３ 神さまの怒り)
As Wendy's condition worsens, Emily, determined not to stay still, travels to Father Louis' church, the leader of the previous attack, to confront him. Much to her displeasure, his subordinates imprison her, while he explains that her and her mother's arrival three years ago brought the anger of God on the village, and that it shall not be appeased until they're dead. Even though the Dragon Slayer appeared to rescue the little girl, she couldn't put up much of a fight due to the poison. Just as they were losing, Natsu Dragneel and Happy appear in the church, searching for the priest.
November 2, 2015
16. The Angel's Adventure 4: Nothing Short of a Miracle (天使の冒険４ まさに奇跡だ)
After Natsu defeats the henchmen, the cave they were in starts to crumble due to a volcanic activity. After managing to make an escape, the Father realizes that the quacks from before weren't because of God's wrath, but the sign of the birth of a new life, as a new volcanic island formed in the sea. Wendy is still in pain due to her illness, and, with the lack of a antidote, it seemed hopeless to save her. Miraculously, Emily finds the Key of the Gate of the Fire Bird in her harp, which belonged to her mother. After multiple tries, she finally manages to summon Phoenix, her mother's Celestial Spirit, who easily manages to cure Wendy completely just in time, much to everyone's joy and relief. After partying ways with Emily, Wendy looks back on the past events of her life, stating that there's a power that anyone can call upon to help the ones they deeply care about.
Erza is a S-Class Mage of Fairy Tail and one of Wendy's close friends.
Yoshino ヨシノ Yoshino
Yoshino is a young resident of the Nanalu Village, alongside her father. She's also the only Mage there, using the unique Alteration Magic.
Shiyu シユウ Shiyū
Shiya is an orphan teenager who moved in the village a year ago after the destruction of his village. He secretly teamed up with Night Butterfly to unravel the secret of the Dragon's Treasure. He's also Yoshino's secret crush and a user of Ice Magic.
Maki マキ Maki
A little child who used to enter and play in the Cursed Mansion.
Tan タン Tan
A young man who is a member of a group of travelers who settled down next to Sarah's village, before they were trapped in the Cursed Mansion.
Sarah サラ Sara
A powerful Mage who used her Magic to try and fight the spreading disease in the forest, but eventually decided to lock the travelers up in the Mansion to halt the disease.
Mink ミンク Minku
A young man, working and training with the Royal Gaurd of Aiya Town.
Viola ビオラ Biora
The daughter of the founder of Aiya Town and its Mistress.
Strings ストリングス Sutoringusu
The Captain of the Royal Guard of Aiya Town, and a personal friend of Viola and Sera.
Sera セラ Sera
Viola's late sister, who could manipulate people's minds.
Emily エメリ Emeri
A small orphan who lives in Verrine after her mother passed away. She possesses a harp that she plays everyday, in order to summon an angel.
Mia ミア Mia
An anthropomorphic goat-like creature who lives with Emily.
Chloe クロエ Kuroe
Emily's late mother, and a Celestial Spirit Mage.
Louis ルイス Ruisu
The priest of Verrine village, who worships the Sea God, Triton.
Phoenix, "The Fire Bird", is a Silver KeyCelestial Spirit that takes the form of a cloaked young man. His feathers allow him to heal those who are sick or wounded. His key was formerly owned by Clair, eventually into the hands Emily.
Night Butterfly Leader
The leader of the thief gang, Night Butterfly, and a user of the Magic of the same name. His gang invaded the Dragon's Nest to earn the powers of the Dragon's Treasure.
Requip: The Knight (換装騎士Kansō Za Naito): This Magic allows the user to store weapons and armors in pocket dimensions and summon them during battle.
Alteration Magic: This Magic allows the user to change a target's properties and appearance, or even create various items or materials for personal use. The user can also change to their liking the properties and function of their own magic. Yoshino was able to convert her magic to create blasts of energy and manifest water in the palm of her hands. It also allows the user to alter others' clothes, allowing the user to restore objects back to their original state. (Unnamed)
Sky Dragon's Roar (天竜の咆哮 Tenryū no Hōkō): The user quickly gathers and releases a large quantity of air from their mouth in the form of a tornado-like blast.
Sky Dragon's Wing Attack (天竜の翼撃 Tenryū no Yokugeki): The user generates a large whirlwind from each of their arms, which twists and rotates to attack the targets in the surrounding area.
Sky Dragon's Healing Spell: A Healing spell utilized by Sky Dragon Slayer to heal physical and Magical wounds. It was even capable of melting the ice imprisoning several villagers. (Unnamed)
Vernier (瞬足 Banīa): A supportive spell that, by chanting out an incantation, allows the user to temporarily enhance the targets' movement speed by surrounding them with magical auras.
Arms (剛腕 Āmuzu): After reciting an Enchantment and generating a flat, elongated oval mass of Magic before their hands, the user surrounds the target in a quavering magical aura, enhancing their offensive power for a certain period of time.
Rubber Magic: The user is able create and bind opponents with a sticky substance, effectively restraining them. (Unnamed)
Fire Dragon Slayer Magic (炎の滅竜魔法 Honō no Metsuryū Mahō): a type of Dragon Slayer Magic that grants the user the ability to produce and control fire from any part of their body, which can be used both in melee and as a ranged form of offense.
Fire Dragon's Iron Fist (火竜の鉄拳 Karyū no Tekken): The user engulfs their fist in flames and then punches their opponent, causing, aside from sheer blunt damage, damage from the flames as well.
Celestial Spirit Magic (星霊魔法 Seirei Mahō): This Magic allows the user, Lucy to summon the Celestial Spirits from the Celestial Spirit World.
Water Magic (水系各種魔法 Mizu Kei Kakushu Mahō): Water Magic is a form of Magic revolving around the use of water, which is placed under the user's command for them to employ for various purposes.
Ice-Make (氷の造形魔法 Aisu Meiku): This is a type of Molding Magic which utilizes the element of ice. The user can create a variety of objects out of ice to be used for offensive, defensive and miscellaneous purposes.
Ice-Make: Ice Geyser (氷欠泉 Aisu Gaizā): The user uses both hands to freeze the ground in front of them, and creates a single tower of ice spikes that impales the opponents.
Ice-Make: Lance (槍騎兵 Ransu): The user puts their fist over their palm and creates multiple lances made of ice that they direct towards their target and use to impale them.
Sword Magic (剣の魔法 Ken no Mahō): A Magic which, as the name itself suggests, is focused around the use of swords, with those weapons acting as mediums for the user to perform particular attacks.
Circle Sword (天輪・循環の剣 Tenrin Sākuru Sōdo): The user requips swords and has them circle around them by utilizing the command, "Dance, My Swords". The swords then begin spinning rapidly around the user and then the user sends them flying towards their opponents in a disc formation. Upon impact, the swords separate and fly in different directions dealing great damage.
Night Butterfly (ナイトバタフライ Naito Batafurai): A form of Magic that allows its user to absorb the strength and power of their opponent's attacks, adding it to their own. Consequently, the caster's body inflates, whilst growing black butterfly wings on their back. After that, the user can shoot multiple black butterfly-like projectiles at his targets. However, there's a limit to what the user can absorb, before being overwhelmed.
Life Force Manipulation : A unique form of Magic that involves the manipulation of the life force in living creatures. When using it on the surrounding flora, the user gains abilities similar to Plant Magic, as well other perks such as curing trees and being able to communicate with them.(Unnamed)
Wood Transforming Spell: By emitting a mysterious light, the user is able to engulf multiple targets with wood trunks and turn them into leafless trees. (Unnamed)
Raise: By lifting their hands, the user launches several veins upwards to bind their target.
Thought Projection (思念体 Shinentai): A form of Magic that Viola possesses, that creates a psychic copy of herself during her sleep, involuntary. Hypothetically allowing her "soul" to leave her body.
Mind Control: A Magic that allows the user to manipulate people's mind and will, such as brainwashing people into thinking they're someone else, completely adapting their personality. It is so powerful that it can actually induce the soul of the imitated person into the the body of the target, warping their facial features and completely erasing their original persona. (Unnamed)
Fairy Tail (妖精の尻尾 Fearī Teiru): Fiore's strongest guild, in which Wendy and Carla are members of.
Night Butterfly (ナイトバタフライ Naito Batafurai): A large group of thieves, lead by a cross-dresser, who invaded the Dragon's Nest in order to learn the secret of the Dragon's Treasure.
Celestial Spirit Gate Keys: Celestial Spirit Gate Keys are Magic Items utilized by Celestial Spirit Mages to summon Celestial Spirits.
Gate of the Fire Bird Key: One of Emily's Celestial Spirit Gate Keys that to summon the spirit Phoenix.
Nanalu Village: An isolated village in the middle of a valley. It was built a hundred years ago after the demise of a Dragon which was living in the valley near it.
Dragon's Valley: A great long ominous canyon near the Nanalu Village, which the Dragon used to live in.
Dragon's Nest: An enormous cave inside the canyon, used to be inhabited by the Dragon and is also its grave.
Cursed Mansion: An ominous-looking, deserted, ruined mansion in the middle of the forest, situated under a bridge, and surrounded an enormous brick fence. It was cursed to trap anyone who enters it forever. It was referred to as the "Home of Cursed Monsters".
Aiya Town: A town in the Kingdom of Fiore, where there have been mysterious disappearances of young girls.
Verrine: A fishing village near Aiya, where there have been rumored to be a harp that summons dragons.
Dragon's Treasure: A mysterious stone, laying in the Dragon's Nest, which is said to grant any wish. However, it was actually revealed to be capable of projecting memories of its past, with both image and sound.
Initially, Blue Mistral was suppose to end after two volumes, but it was extended to the amount of support received from the fans.