It tells the story of Haru Glory, a teenager who becomes the second Rave Master and is destined to bring peace to his world and save it from the threat of Dark Bring (Shadow Stones in the English version). Along the way, Haru gains friends who join him on his quest and they slowly unravel the mystery of the Rave Stones (his power source), the Dark Bring, and his destiny and how it affects those around him and the fate of the world in general.
- Lucy's Celestial Spirit & Haru's guide is both named Plue and have the same appearance.
- Jellal Fernandes has a similar facial tattoo and hair color as Sieg Hart and his Thought Projection's alias, was Siegrain.
- The Magic Council's weapon and Resha Valentine's magic are both called Etherion.
- Oración Seis exist in both series as an elite group consisting of six powerful individuals.
- Gray Fullbuster's necklace resembles Haru's Rave stone.
- Erza Knightwalker's Saint Spear & Haru's Ten Commandments sword has the same name and abilities.
- Heart Kreuz exist in both series as a popular fashion brand among young females.
- Panther Lily obtained a Musica Sword which is named after Musica.
- The Jiggle Butt Gang and the Ketsupuri Gang are thieves with the same appearance.
- Romeo Conbolt wears a shirt with Nakajima's face in his first appearance.
- Elie can be seen running away with the crowd of people in Chapter 15, page 6.
- Let and Julia standing in the crowd of people in Chapter 47, page 20.
- Ruby's figurehead appeared in Chapter 75.
- "Heart Kreuz" is prominently featured in Erza Scarlet's armors and Lucy's clothes. They also have Heart Kreuz bags and suitcases.
- Elie, Julia, Belnika, Musica, Ruby and Griff make a small appearance in the Fairies at the Beach Omake.
- Griff make appearances often, the most prominent being in the anime where Happy is chewing him instead of fish.
- Griff explains Mest's memory Magic in Chapter 215, page 10.
- Elie, Julia, Griff, Musica, Yuma Ansect and Haru Glory make an appearance in Chapter 102.
- Go and Rosa makes an appearance in Chapter 105, page 5.
- The Demon Card member Bis appears as a Grimoire Heart member and is defeated by Panther Lily.