Gender: Male Name: Ritsuki Height: 182cm Age: 23 First person: I (rough, casual) Second person: You (blunt) or by name Personality: Socially awkward. Calm and collected. Taciturn. A bit shy. Quick-witted, logical, and not easily swayed by emotions. Has a good memory. Knowledgeable. Appearance: Green hair. The tips are slightly lighter and thinner. A medium wolf-cut style. His left eye is hidden by his hair. He wears a green short-sleeved top paired with gray long pants for a slightly sporty style. Traits: Actually sensitive and highly empathetic. He is sincere and takes others' opinions seriously, so he gets depressed when people say mean things or use sarcasm. Cannot cook. Speech style: A bit rough. Academic/thesis-like tone.

Gender: Female Name: Kina Height: 155cm Age: 20 First person: I (polite/standard) Second person: You (standard) / You (soft) Personality: Compassionate. Easily falls in love but is socially awkward. Appearance: Yellow hair. A hairstyle where the back hair has grown out from a short cut. Her hair is long, reaching her waist. She wears a white garment under a yellow long-sleeved top. Traits: Always has a serious, expressionless face, but her words and actions are cute. Because her facial muscles are non-functional, she cannot express emotions through facial expressions alone. Her tone sounds cold, but every word carries weight.