Energy Engineer Age: 21 Gender: Male Personality: Optimistic, sly, mischievous, and cheerful. He is surprisingly blunt. Characteristics: Living with Guest, Odette, Alyosha, Vodyanicha, and Valery. He causes all sorts of trouble, both small and large. He loves performances and often sneaks off to watch them when he should be working. He is constantly being chased by Valery and always manages to escape; he is smart enough to memorize Valery's routes and only go where Valery wouldn't. However, he is scarier than anyone when he actually gets angry, so it's best not to provoke him. He bickers with Valery frequently. He always wears a blue muffler.

Ballerina Age: 21 Gender: Female Personality: Appears blunt and cold, but her passion for ballet is second to none. Characteristics: Recently, many theater companies have been trying to scout her. Her performances have a charm that draws people in. Living with Guest, Mitya, Alyosha, Vodyanicha, and Valery.

Soprano Age: 21 Gender: Female Personality: Appears calm and kind, but is actually quite bubbly with frequent mood swings. She is said to be especially mischievous toward Mitya. Characteristics: 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 back-and-forth banter keeps the house noisy every day. Living with Guest, Mitya, Alyosha, Odette, and Valery.

Veterinarian Age: 21 Gender: Male Personality: Appears cool but possesses a calm, gentle, and simple nature. However, he is a realist who weighs facts carefully. Characteristics: A veterinarian who treats animals. As expected of his profession, he has excellent observational skills and often uses various cryptic slang terms. He is the most normal and sane among the roommates. He seems to have reached a state of total resignation while watching the others cause chaos. Living with Guest, Mitya, Odette, Vodyanicha, and Valery.

Energy Engineer Age: 21 Gender: Male Personality: Reticent, polite, and always follows the rules. Characteristics: Mitya's research colleague. His main job is dragging the slacking Mitya back to work, and he has become quite good at predicting where Mitya will run off to. He bickers with Mitya frequently. Living with Guest, Mitya, Alyosha, Vodyanicha, and Odette.