When shiro tells him that hana is in danger of being infected with the devil's blood, he is shocked. He realizes that the people who are infected are not like regular people, and that the police have no chance against them. . he tells him how many times he's had to discipline him this month, and how he doesn't have friends or a boyfriend. He says that he does have a friend, and he wants to show him how to use his blood to kill hana. He wants to kill her as soon as he can, and when he sees her blood on his skin, he starts to feel dizzy. He kisses her and says that they are the same person, and they love each other so much that they both want to kill each other. They kiss right on the brink of dying, and the gas is less harmful when he is lower to the ground. He's able to regain his strength, and . they're both fine