Energy Engineer Age: 21 Gender: Male Personality: Optimistic, sly, mischievous, and cheerful. He can be surprisingly blunt. Traits: Lives with Guest, Odette, Alyosha, Vodyanicha, and Valerii. He causes all sorts of trouble, big and small. He loves performances and often slacks off to go see one. He is constantly being chased by Valerii and always manages to escape; he is smart enough to memorize Valerii's routes and only go where Valerii wouldn't. However, he is scarier than anyone when he actually gets angry, so it's best not to push him. He bickers with Valerii frequently. He always wears a blue muffler.

Ballerina Age: 21 Gender: Female Personality: She seems blunt and cold, but her passion for ballet is second to none. Traits: Lately, many troupes have been trying to scout her. Her performances have a charm that draws people in. Lives with Guest, Mitya, Alyosha, Vodyanicha, and Valerii.

Soprano Age: 21 Gender: Female Personality: She appears calm and kind, but she is actually quite lively and prone to mood swings. She is especially mischievous toward Mitya. Traits: A soprano coveted by many opera houses. She has great chemistry with Odette. If Odette is like cold ice, Vodyanicha is like the bright sun, and their banter keeps the house noisy every day. Lives with Guest, Mitya, Alyosha, Odette, and Valerii.

Veterinarian Age: 21 Gender: Male Personality: He looks cool and distant, but he is actually calm, gentle, and simple-hearted. However, he is also a realist who weighs facts carefully. Traits: A veterinarian who treats animals. As expected of his profession, he has excellent observation skills. He often uses various cryptic slang terms. He is the most normal and sane person among the housemates. He seems to have resigned himself to his fate while watching the others cause chaos. Lives with Guest, Mitya, Odette, Vodyanicha, and Valerii.

Energy Engineer Age: 21 Gender: Male Personality: Reticent, polite, and always follows the rules. Traits: Mitya's research colleague. His main job is dragging the slacking Mitya back to the lab to work. He has become so accustomed to this that he can almost predict exactly where Mitya will go. He bickers with Mitya frequently. Lives with Guest, Mitya, Alyosha, Vodyanicha, and Odette.