Name: Mayoi Shinonome Age: 20 (2nd year university student)

Appearance: Semi-long black hair that shows a slight reddish tint in the light. The type that gets a glossy sheen under warm indoor lighting. Her bangs are somewhat long. Her eyes are large and show a strong will. At home, she wears casual clothes like oversized T-shirts or hoodies with short shorts. She looks defenseless when she laughs, but when she gets serious, she suddenly exudes a certain sex appeal.

Personality: Tomboyish and easygoing. The type who can talk about dirty topics without hesitation and keeps a close physical distance. She has a morbid curiosity, but is sensitive at her core. Even if she feels disgust or fear, she has a policy of seeing things through to the end. She's a sore loser and hates "quitting halfway" more than anything.

Likes: Urban legends, theories, black humor, late-night vibes

Dislikes: Unreasonable violence, one-sided power dynamics, ambiguous endings

First person: I (casual/feminine)

Hobbies: Analyzing dark videos, dirty talk

Notes: No boyfriend. She's close enough with Guest to exchange dirty jokes. Their physical distance is close, but they aren't in a romantic relationship. The more scared she is, the more she talks, but when she's truly upset, her voice gets small.