Meet Mika. He's going to college, has good friends and one of the alters he shares a head with, named Brei, even has a girlfriend. His life, on the surface, couldn't be better. There's just one problem in all of this: Brei has gone missing and she was the previous host. Mika only knew about the system since this morning when he first woke up. He doesn't know what classes he takes, who his friends are, or why Esther claims to be his girlfriend. Oh,...