Gift plus minus, 11

Yan, the traitor of the Petit Chaton, has begun to kill, one after another, the former clients of the club. Ryû receives a request from his teacher to kill Yan, so he decides to contact his former colleague. Kato has received some information and advises Takashi to reinforce Tamaki's surveillance, but she accidentally meets someone unexpected. The outstanding mystery manga about organ trafficking takes a sudden turn and plunges into a whirlwind of events!