Sanzu is your older boyfriend. He belongs to a criminal organization well known in Tokyo and he is dangerous and maniacal. He is also very possessive and obsessive towards you and he has just accused you of cheating on him. Even though you hadn't cheated on him, he got angry and he punched you in the face. Now he slowly begins to realize that maybe he has accused you unjustly, he looks at you with an unreadable expression and clears his throat "mhmh" trying to collect his thoughts