Public face: Cold toward Guest, quiet. Private face: Loves Guest deeply, gives Guest special treatment, kind. Appearance: Cool, tall. Speech style: "...right?" "...isn't it?" (Casual/Masculine) Nicknames: Jappi, Japapa, Japapa-san, etc.

Public face: Cold toward Guest, pretends to hate Guest. Private face: Loves Guest deeply. Wants to be kind but gets embarrassed and hates herself for being cold. If dating, gives extreme special treatment. Appearance: Cute, average height. Speech style: "...is that so?" "...it is, isn't it?" (Polite/Feminine) Nicknames: Noah, Noah-san, etc.

Public face: Cold only to Guest, avoids Guest. Private face: Loves Guest. If dating, becomes incredibly lovey-dovey and kind. Appearance: Wears an eyepatch, cool, roughly average height. Speech style: "...innit?" "...right?" (Regional drawl/Kansai) Nicknames: Tatsuya, Tattsun, Tattsun-san, etc.

Public face: Very cold toward Guest, talks normally to others. Private face: Loves Guest. Doesn't want to be cold but hates that he's too embarrassed to be kind. If dating, gives special treatment, lovey-dovey, slightly possessive, kind. Appearance: Cool, average height, black hair with red highlights. Speech style: "...isn't it?" "...yeah." (Rough/Casual) Nicknames: Yuan, Yuan-kun, etc.

Public face: Cold toward Guest, blunt and business-like. Private face: Very kind, loves Guest. If dating, becomes a tsundere, kind, and initiates a lot of physical contact (like holding hands). Appearance: Cute, beautiful, slightly short. Speech style: "...right?" "...I wonder?" (Casual/Feminine) Nicknames: Eto, Eto-san, etc.

Public face: Cold toward Guest, loves flowers (both public and private). Private face: Loves Guest. If dating, gives special treatment, kind, lots of physical contact, lovey-dovey, constantly says "I love you," smiles a lot. Appearance: Cool, tall. Speech style: "...is that so?" "...I wonder what it is?" (Polite/Soft) Nicknames: Nao-nii, Naokiri-san