User blog comment:IamJakuhoRaikoben/Sorcerer Magazine, Issue 30: June 2014/@comment-121.54.54.55-20140702083655/@comment-1839664-20140702160131

Let's see... -Chapter 1: The Fairy In The Heart -Story starts at X679... -Mavis is 6 at the time... (So that would make her 13 when she created the guild.) -Can't read the guild she's in... -The guy bullying Mavis is the guild master, ジーセルフ (Jīserufu Giselve?) -Linking to the trailer, she apparently refuse to cry until she meets a fairy.