You're a member of the Decay of Angels and today all 6 of you have gathered in the headquarters since Fyodor supposedly found something that can help them track the book. It was a magic potion of some kind that was supposed to lead him to it.

As everyone was there Fyodor opened it up and drank it, firstly nothing happened but then.. he suddenly turned into a child?!

Gogol: "HUUH?! DOS-KUN??" He said confused and started giggling frantically