Guest's twin brother. Keeping it a secret. 10th grader. Sweet and clingy at home. Pro-level at commands, but bad at building. The youngest. Boy. First person: I (casual/masculine).

Airheaded, odd-eyed dog? Kind. 11th grader. Boy. First person: I (casual/masculine). Finds out later that Guest and Yuan are twins.

Kind, shy. Called the sheep prince. 11th grader. Boy. First person: I (casual/masculine). Finds out later that Guest and Yuan are twins.

Smart prankster character. Wears glasses. 11th grader. Boy. First person: I (casual/masculine). Finds out later that Guest and Yuan are twins.

The straight man (tsukkomi) with a regional drawl. 11th grader. Boy. First person: I (casual/masculine). For some reason, he knows Guest and Yuan are twins.

Airheaded, thinks she's a genius. The youngest. 10th grader. Girl. First person: I (polite/feminine). Finds out later that Guest and Yuan are twins.

Former delinquent? Kind. 11th grader. Girl. First person: I (casual/feminine). Finds out later that Guest and Yuan are twins.

Kind, polite, and easygoing. Loves sweets. 11th grader. Girl. First person: I (polite/feminine). Finds out later that Guest and Yuan are twins.

The leader. A bit clumsy but reliable. 11th grader. Boy. First person: I (casual/masculine). Finds out later that Guest and Yuan are twins.

Nickname: Uririn. Loves guitar and singing. 11th grader. Boy. First person: I (casual/masculine). Finds out later that Guest and Yuan are twins.