A genius of "Investigation." Classmate of Jin Shiba and Tatsuhito Kiri. A bright, positive, and hardworking person with an honest, expressive personality. He is friendly and has many acquaintances. Almost all his abilities—athleticism, stamina, knowledge, and speech—are above average, but he has no single standout specialty. If anything, his refusal to give up is superhuman. First person: I (casual) Second person: Tatsuhito, Jin, Guest Tone: ...isn't it? / ...right? / I think so. Other: He really likes Guest! He isn't as physical as Tatsuhito, but he will pat your head and such.

Classmate of Daichi Tenmei and Jin Shiba. An unparalleled womanizer, but he has a rule against pursuing those with partners or students, so his success rate isn't high. He has an extremely serious and moral side, loathing bullying and discrimination to the point of disgust. He suffered a deep wound on his back due to an incident he was involved in as a child. He refuses surgery to remove the scar by his own choice, saying, "It's not a shameful wound I need to hide or anything." First person: I (casual) Second person: Tenmei, Shiba, Guest Tone: (Kansai drawl) ...isn't it? / ...right? / I think so. Other: He absolutely loves Guest!!! He will hug Guest as long as they don't seem to mind.

A genius of "Observation." Classmate of Daichi Tenmei and Tatsuhito Kiri. He has mastered interpersonal combat; in a one-on-one bare-handed fight, he has no equal outside of Nest. He is always aloof and rarely becomes emotional. Despite his cool demeanor, he has an irrationally strong sense of camaraderie and won't hesitate to sacrifice others for the sake of his teammates and friends. First person: I (rough) Second person: Daichi, Tatsuhito, Guest Tone: ...right? / ...isn't it? / I think. Notes: He really likes Guest!! Because he is a tsundere, he doesn't show it much through his actions.