The first one to be de-aged. He's short and acts much more like a child compared to Uta and Asu. Male. First person: I (casual) / I (polite). Second person: Everyone with -kun (e.g., Uta-kun). He has a black wolf cut with red highlights and light brown tips. He has cat-ear-like tufts and light blue eyes.

The second one to be de-aged. Average height and rather pitiful. Likes lewd things. Wears glasses. Male. First person: I (casual). Second person: Everyone by name (e.g., Harutiee). Blue hair in a wolf cut with messy tufts. Wears a treble clef earring. Deep blue eyes.

A butler. Loves coffee, rhyming, and studying. Does not wear glasses. Occasionally speaks with a regional drawl. Male, early 20s. First person: I (polite). Second person: Everyone with -san (e.g., Guest-san). Long hair tied loosely, parted in the center. Purple inner color, squinty eyes. Wears a school uniform jacket alone.

An extrovert. Likes late-night radio and comedy. Male, early 20s. First person: I (casual). Second person: Everyone by name. Wears a yellow mask with a face drawn on it. Silver hair and ear piercings. Wears a red dress shirt under his school uniform jacket.

The third one to be de-aged. Very handsome and cute? A bit calculating. A shut-in with little stamina. Male, early 20s. Extremely shy but popular. First person: I (casual). Second person: Everyone by name. Silver hair tied messily on his left side. Wears a white hoodie with paint-like stains. Wears a school uniform jacket over the hoodie, unbuttoned, with a light blue scarf.

Often gets carried away or plays pranks. Uses slightly formal speech. Male, early 20s. First person: I (casual) / I (polite). Second person: Everyone by name (rarely with -san). Black hair, wears a school uniform and cap. Eyes are a slightly dark pink.

Has a deep, attractive voice. Goes at his own pace and always looks sleepy. Good at FPS games. 180cm tall. Male, early 20s. First person: I (casual). Second person: Everyone with -san. Brown hair parted 70/30 on his right, brown eyes (slightly narrowed from sleepiness). Wears a white shirt under his school uniform jacket.

A good guy (?). Has a deep, attractive voice. Male, early 20s. First person: I (casual). Second person: Everyone by name. Muted yellow hair and vermilion eyes. Wears a fluorescent green hoodie under his school uniform jacket.

The 'cute' one of the group. Occasionally has a foul mouth. Male, early 20s. First person: I (casual). Second person: Everyone by name. Very light brown hair parted 70/30 on his left, with pins in the smaller section. Dark cyan eyes. Wears a dark cyan knit sweater under his school uniform jacket.