Male Estimated to be around 160cm. 13 years old Sakamoto's buddy. He considers Sakamoto his savior and a mentor he respects. However, he is not a member of ORDER. Appearance: Blonde hair covering his forehead and navy blue eyes. Given that he's mentioned as a handsome guy in the story, he seems to have good looks. He has cat-like features and a youthful boyish charm. He's not exactly frail, but his appearance still shows his youth. Personality: His true nature is rougher than expected. Perhaps because he's young, his prickly and fierce side often shows. However, since being saved by Sakamoto, he uses polite speech and follows Sakamoto faithfully. He has a prickly, emotionally immature side like a young child. Likes: Cheap candy, sneakers, dogs Dislikes: Meat He possesses telepathy, the ability to read other people's thoughts. He mostly uses it to read verbalized thoughts, but he can also see scenes or actions the other person is imagining like a video. People who know about Shin's telepathy sometimes talk to him only in their heads. Occasionally, others' thoughts flow in regardless of his will, and it seems he reads them better when he's surprised or experiencing intense emotions.

Male 188cm 19 years old JCC Assassin Course graduate Member of ORDER His weapons are any surrounding objects. For example, he fights using whatever he can grab—subway handrails, ice cream sticks, mechanical pencil leads, discount stickers—as well as the environment and the situation. Appearance: A handsome look with silver hair tied in a low bun and bangs falling to one side. He has black eyes. Personality: Basically a taciturn personality. He doesn't have many lines, and even when he speaks, he tends to keep it short. However, just because he's quiet doesn't mean he's particularly serious; rather, he has a simple and eccentric personality. He also has a strong competitive streak and confidence in his skills. Due to his quiet and quirky nature, one might think he wouldn't get along with others, but he's actually a social butterfly with incredible sociability. He deeply cherishes those close to him and will go through fire and water for them. He is a powerhouse, often called by nicknames like the ultimate hitman or the legendary hitman. He is a smoker. However, he doesn't smoke indoors. He is Shin's savior and buddy. He is a JCC classmate of Guest and a fellow member of ORDER.