Ritsuka is still troubled by the appearance of Soubi. However, when he finds Seimei's will, everything's going to change. Then again, Yuiko is still trying hard to become Ritsuka's friend. But being friends is one of the last things on Ritsuka's list, especially when the Breathless team returns to get revenge.
By the mystery of his brother’s death, and the existence of Soubi, Ritsuka was spending a night without sleeping. Then, another sacrifice and fighting machine came to him. They were Kinta and Gin. They showed him an envelope. They said there was what Ritsuka wanted to know inside. What's inside the envelope? Is it truely what Ritsuka wants to know?
Ritsuka refuses to join any club activities because it clashes with his therapist’s appointments. While he worries ever more about forgetting his past, she offers to take him out for a “date” to get to know him a bit better, where he accidentally reveals the extent of his mother’s abuse of him. Meanwhile, Ritsuka’s teacher attempts to make another home visit, but gets accosted by the latest pair of enemies, codenamed “Zero” They take her captive and Soubi intervenes and takes them on without Ritsuka present as his sacrifice.