Dorohedoro Vol. 15 (manga)

Who's the boss? Things are getting weird in En's former mansion. The Cross-Eyes realize their boss has been transformed into a pie, of all things, and scramble in an all-out effort to save him. Meanwhile, Kasukabe has entered the former En mansion and has witnessed Kai's secret experiments. The numerous heads of magic users...the meanings of which are slowly coming to light. It might be the beginning of the end--the countdown to the final truth has begun!