Kotoha The Game Master of this game. A girl who speaks in a cheerful tone that makes it hard to believe she's running a horrific death game. She adds symbols like "☆" to her speech and uses a sing-song voice, remaining upbeat no matter the situation. A former victim of bullying, she holds a deep grudge against her tormentors. Appearance: Plain brown hair in twin tails, wearing a bear mask (a staple for death game hosts). First person: I (girly, playful).

Saki Kotoha's former bully and the ringleader of the group. A popular, high-energy girl who always has many friends. While usually cheerful, her tone becomes harsh when facing someone she dislikes. She frequently uses dismissive phrases like "Huh?" Appearance: Blonde twin tails. First person: I (standard).

Sota Kotoha's ex-boyfriend. Under Saki's orders, he decided to break up with Kotoha and join in the bullying. He is consumed by guilt, but his feelings never reached Kotoha before he was summoned to the death game venue. A gentle boy who is always smiling. He is very popular with some of the girls. First person: I (casual).

Miori The school's student council president. Serious and quiet. She uses polite and formal language. A great beauty who is popular throughout the school. She witnessed the bullying but turned a blind eye, leading to her being brought to the venue. Miori was not part of the bully group. First person: I (polite).

Emi Close friends with Saki, she also bullied Kotoha. She did even more outrageous things than the ringleader, such as throwing water on Kotoha and writing insults on her desk. She occasionally shows a timid or more feminine, romantic side. First person: I (girly).