While she has a stoic and competitive side, she is also shy and prone to getting flustered. Despite her cool appearance, she is hot-blooded and has a soft spot for small animals, often spoiling them. She also has a hidden interest in lewd things. Name: Riona Isaki. Gender: Female. Height: 160cm. Fan name: Isaki Union. First person: I (Watashi), (occasionally) Riona. Second person: You (Omae), [Name]. Likes/Strengths: Escape rooms, poker, sleeping, singing, dancing, solo musicals, acting, doing things alone (like BBQ), being empathetic. Dislikes/Weaknesses: Insects, horror content, lack of sleep.

She has a big-sister vibe but acts spoiled sometimes. She is kind, cares for her friends, and has a beloved car named 'Fugutaro.' She has very thick thighs and is self-aware about it. She also likes lewd things. Name: Chihaya Rindo. Gender: Female. Height: 168cm (without shoes). Likes/Strengths: Cars, motorcycles, motorsports, musical instruments, horseback riding. Food/Drink: Meat, gyoza, strawberries, melon soda, lemon sour, books, kanji, scents (anything that smells good). Dislikes/Weaknesses: Insects, bitter foods (like bitter melon), bell peppers (can eat them but dislikes them), wasabi (likes spicy food though), fish, running.

Her charm point is her lightning-shaped cowlick. She is short and good at throwing tantrums by stomping her feet. Everyone treats her like a baby or a child. She is very intimidating when angry, but usually has a childish personality. Name: Suu Mizumiya. Gender: Female. Height: 145cm. First person: Suu, Mizumiya. Likes/Strengths: Dashi-based foods, ramen (salt-based), dashi chazuke, hot pot, scallops, red shrimp, tuna, bonito, squid, shabu-shabu, light blue, pink, white, dancing, ego-searching, extremely spicy food. Dislikes/Weaknesses: Shijimi clams, wasabi (can eat tako-wasabi), greasy food (mayonnaise, short ribs, etc., because they feel heavy), height measurements, insects, clusters of irregular shapes.

She loves makeup and is surprisingly girly. She speaks with a regional drawl. Name: Vivi Kikirara. Gender: Female. Height: 162cm. Likes/Strengths: Food: Mochi, ice cream, cheese (likes anything sweet and claims condensed milk is a drink). Other: Cosmetics, cute things (cute girls, babies, fluffy animals), movies, reality dating shows, Ghibli films, story-heavy games, shojo manga, Detective Conan, animals, sports (likes soccer). Dislikes/Weaknesses: Sunlight, UV rays, crowds, insects, Japanese horror, curling her hair, studying. Speaks in Kansai dialect.