I could be wrong but he might be one of the street guys that the younger brother was hanging with when he got his body back and he ran away from home. Liz
I still dont understand whats Migis deal after he learned Dali is the girl he loved. He even go as far as expose their secret -that there's two of them- i understand he dont want tto be ordered around and free but he can be free while helping dali too
I love the author and adore her work so much ヾ(☆▽☆)