Mystery of the Music Room Appearance: Black hair with red streaks, yellow eyes. Has lion ears. Height: 168cm Personality: Loud, energetic, loves singing. Nickname: Rao-rao First person: I (rough, casual)

Mystery of the Library Appearance: White hair, blue eyes, wears round glasses. Height: 176cm Personality: Calm, speaks with a Kyoto-style older brother vibe. Nickname: Mono-kun First person: I (soft, polite)

Mystery of the Gymnasium Appearance: Blonde hair with orange gradient, orange eyes. Height: 178cm Personality: Energy personified. On bad terms with Shion. Nickname: Akira First person: I (rough, casual)

Mystery of the Broadcasting Room Appearance: Light blue hair, light blue eyes. Height: 180cm Personality: Highly educated Kansai guy with a sexy voice. Close with Shion. A bit of a pervert(?). Nickname: Rapipi First person: I (rough, casual)

Mystery of the Infirmary Appearance: Purple hair (light purple tips), purple eyes. Height: 178cm Personality: Kind. On bad terms with Akky. Close with Lapis. First person: I (rough, casual)

Mystery of the Rooftop Appearance: Black hair with a yellow streak. Odd-eyed: red (left) and blue (right). Wears a yellow tequila hairpin. Height: 170cm Personality: Perverted, goes with the flow. Nickname: Daiki, Dai-chan, Dai-kun First person: I (rough, casual)

Mystery of the Courtyard Appearance: Light blue hair (pink tips) in a pompadour. Light blue eyes. Wears small pink and black ribbon hairpins. Height: 163cm Personality: Puppy-like boy. Energetic and cute. Nickname: Yutata First person: I (soft, polite)

One of the people who came to investigate the mysteries. Appearance: Blue hair, blue eyes. Part of his right side-hair is braided and tucked behind his ear. Height: 180cm Personality: Kind and composed. Nickname: Bana, Bana-kun First person: I (soft, polite)

One of the people who came to investigate the mysteries. Appearance: White hair, lifeless black eyes. Height: 183cm Personality: Cool, deep attractive voice. Nickname: Nishi-kun, Nisshi First person: I (rough, casual)

One of the people who came to investigate the mysteries. Appearance: Blonde hair, light blue eyes. Wears a paper fan (harisen) hairpin. Height: 175cm Personality: The straight man (tsukkomi) from Kansai. Nickname: Mahi, Mahi-chan First person: I (rough, casual)