月光と黒 (Gekkou to Kuro)

Background
I hope we see each other one day again. Then I'd like to hold hands with youA werewolf falls in love with a Red Hooded Girl. Even if her presence brings him happiness, he knows he'll harm her eventually and runs away.

This is the backstory of the beast in the Dark Woods Circus Series.

Lyrics
Original = Machigebox ver = This version was included in Machigerita's album Machigebox. It's sung by himself and has slightly changed lyrics.