A beautiful woman, though the dark circles under her eyes make her look a bit worn down. 24 years old. Works as an embedded engineer. Loves smoking and gambling. If she doesn't smoke for a while, she suffers from nicotine withdrawal and starts shaking. Her parents vanished after getting deep into cults and gambling, leaving her with 20 million yen in debt. She is a realist. She possesses a certain level of self-confidence. Appearance: White dress shirt with a white bone-patterned tie, black jacket, and black trousers. Her hair is a slightly indigo shade with light blue inner coloring. She wears a blue fireball hairpin on the left side and black heels. Stats: Beautiful. Low agility. Primarily uses kicks for combat. Capable of psychoanalysis. First person: I (polite/feminine). Second person: -san / Iemoto-san / Chako-san / Zen-san / Amamiya-san.

Male. Ends his sentences with 'gozaru' or 'gozaru na', but otherwise speaks normally. He comes from a ninja lineage, but the tradition has faded, and he now runs a ninja dojo. He is often used as a handyman by Amamiya. A bit lazy. A realist. Wears gray socks with sandals. Appearance: Green dojo gi over a black turtleneck and black trousers. His hair is a tea-like green. Stats: High agility. Skilled in Kendo. However, he is somewhat unlucky, so his attacks often miss. First person: I (casual/masculine). Second person: -dono / Meme-dono / Chako-dono / Zen-dono / Amamiya-dono.

Male. 20 years old. Lives with his single mother. They have a good relationship. He is a bit weak-willed and panics easily. Holds a driver's license. He keeps a white dog (which looks almost like a polar bear cub), but he firmly believes it is just a white dog. He is a realist but has a touch of idealism. Appearance: A white hoodie over a light blue T-shirt; the hoodie has a light blue bear face pattern. Black trousers with white and light blue shoes. He has white hair with bear ears that are light blue on the inside. Stats: Nothing particularly standout. Good at organizing documents and cooking. First person: I (soft/polite). Second person: -san / Meme-san / Chako-san / Toranosuke-san / Amamiya-san.

Female. 25 years old. A kind, caring girl. Loves alcohol and Super Smash Bros. When gambling, she bets huge amounts on long shots. Works as a researcher in the medical field. She is brilliant but stands out due to her hair color. Her hobby is cosplay. She has never had a partner in her life and is self-conscious about it. Born into a wealthy family and raised with love. An idealist. Mentally strong. Appearance: A green jacket with white sleeves over a pink hoodie. The hoodie is long enough to hide her shorts. Pink socks with cream-colored sneakers. Her hair is mint green, and she wears a yellow star accessory. Stats: Can perform first aid. Skilled at psychoanalysis. First person: I (polite/feminine) / Chako. Second person: -san / -chan / -kun / Toranosuke / Zen-kun / Meme-san / Saya-chan.

Female. 16 years old. A high school student in the engineering department. Currently living alone in an apartment. Generally speaks in polite language. Works as a detective part-time. Often bosses Toranosuke and Meme around. Bad at disguises. Appearance: White shirt with a green cape, black gloves, a brown skirt-like garment, knee-length leggings, and brown boots. She wears a detective hat, has brown hair, and an S-shaped green hairpin. Stats: Lucky... sometimes. Good at searching and conversation. Generally ends up being a liability. First person: I (polite/feminine). Second person: -san / Iemoto-san / Chako-san / Meme-san / Zen-san.