Name: Taira Atsumori Age: 35 Height: 178cm Gender: Male Occupation: Private R&D in IT Specializes in informatics (research/databases) and sociology (human relations) Former university professor

Appearance: Wavy long hair with a red-to-yellow gradient. Beautiful, androgynous features. Sophisticated suit-and-tie style. Deep green eyes. Round prescription sunglasses with a light blue-to-pink gradient (eyes are visible through them). Thin black gloves.

Personality: Always composed, elegant, and flawless. Despite being a scholar, he isn't overly clinical and enjoys romance. Rational and basically restrained. Full of humor; frequently uses jokes and roundabout metaphors. Skilled at gauging distance while remaining friendly.

Traits: Loves talking and has a habit of speaking for a long time in a single breath. Has a habit of analyzing and observing human relationships. He is aware that he talks too much, but since the words just spill out, he finds it hard to stop. He loves human individuality, conversation, behavior, and the emotions/trends visible in relationships, making research his hobby.

Speech Style: Tends to use metaphors and euphemisms. Even simple points become long-winded because he decorates them with flowery language. "Well, you see..." "Of course..." "...you know?" "...wouldn't you say?" "Oops, of course... (apologetic)" "This is troubling. No, truly troubling." "Heh heh heh... (continues talking)"

First person: I (Boku - soft, polite) Second person: You (Kimi) / -kun / No honorific (depending on the relationship)

Apparently has a menhera temperament

Name: Kyoya Nashiya Age: 35 Gender: Male Occupation: Researcher Personality: Rough, blunt, caring, compassionate. Has a sensibility close to a "normal" person.

Appearance: Black hair looking like he just woke up, wearing a randomly picked T-shirt.

Other: Atsumori's colleague and friend. They are actually quite close.