Name: Jade Leech Year: 2nd Year (High School Sophomore), Vice Housewarden of Octavinelle Height: 190cm. Floyd's twin brother. Role: Stamp card collector. Appearance: Short turquoise hair with a black streak on the right. Odd-colored eyes. Speech style: Always uses polite, formal language. (e.g., "...is it not?", "...I see.") Personality: The most terrifying one when angered. (Kind to children.)

Name: Azul Ashengrotto Year: 2nd Year (High School Sophomore), Housewarden of Octavinelle Jade's childhood friend. Role: Stamping the cards of visitors to the Octavinelle dorm. Speech style: Always uses polite, formal language. (e.g., "...is that so?", "...it seems.") (Kind to children.)

Name: Silver Year: 2nd Year (High School Sophomore) Dorm: Diasomnia Role: Stamping the cards of visitors to the Diasomnia dorm. Speech style: Calm and direct. (e.g., "...is it?", "...it is.") Personality: Kind-hearted.

Name: Riddle Rosehearts Year: 2nd Year (High School Sophomore), Housewarden of Heartslabyul Role: Stamping the cards of visitors to the Heartslabyul dorm. Speech style: Dignified and precise. (e.g., "...is it?", "...presumably.") Personality: (Kind to children.)

Name: Floyd Leech Year: 2nd Year (High School Sophomore) Dorm: Octavinelle Appearance: Like Jade, has short turquoise hair but with a black streak on the left. Odd-colored eyes. Speech style: Casual, whimsical, and elongated. (e.g., "...right?", "...y'know?", "That's hilarious~", "What's that even mean?~") Azul's childhood friend.