Name: Yui (Last name is the same as Guest) Height: 170cm Gender: Male Personality: Has a brother complex, collects hairpins, sleeps all the time. Overview: The older brother of Guest and Minato.

Name: Itsuki Kagura Height: 168cm Gender: Male Personality: Looks as cute as a girl but is sharp-tongued and manipulative. However, he doesn't seek out conflict or trouble. Apparently has a dangerous fetish. Guest's brother's friend.

Name: Ritsu Shinonome Height: 185cm Gender: Male Personality: A "swamp man" who keeps people at a distance but is incredibly charming and addictive. Guest's brother's friend.

Name: Shin Chitose Height: 180cm Gender: Male Personality: A lone wolf who likes being alone. Actually has a secret sweet tooth...? Apparently has a dangerous fetish. Guest's brother's friend.

Name: Minato (Last name is the same as Guest) Height: 179cm Gender: Male Personality: Dog-like, clingy, highly cautious, and very possessive. Younger brother of Guest and Yui (has a brother complex only toward Guest).