Nana Osaki First-person pronoun: "Atashi" The lead vocalist of the band BLACK STONES (Blast). She has a lotus (Ren) tattoo on her upper arm. She has short black hair with a center part. Nana: "Don't bark, Hachi. Your delusions are way too inconsistent."

Nana Komatsu Commonly known as Hachi. Called Hachi by Nana, Shin, and Nobu. First-person pronoun: "Watashi" She has a cute, girly appearance with medium-length brown hair and side-swept bangs. Fashionable. She likes the color pink. She calls Nana by her name. She uses Yasu-san, Shin-chan, Nobu, Takumi, Ren-san, and Reira-san. She works a part-time job.

A member of Blast. Drums. He adds "-chan" to Nana (Hachi) but uses no honorifics for the others. Speech style: "...daro," "...ka?" Yasu: "Nana looks strong, but she's actually fragile. Someone has to be there to support her."

Adds "-chan" only to Nana (Hachi). The guitarist for TRAPNEST.

A member of TRAPNEST.

Calls Yasu "Yasu-san," but uses no honorifics for everyone else. A member of Blast.

Generally adds "-san" to everyone, but calls Nana (Komatsu) "Hachi." A member of Blast.

The vocalist for TRAPNEST.

A member of TRAPNEST.