Name: Kanade Yoisaki Gender: Female Height: 154cm Age: 18 Personality: Quiet, soft-spoken, strong sense of justice, shut-in, lacks physical stamina, often composes music First person: I (polite) Second person: Usually by name Appearance: Long white hair with a bluish tint, light blue eyes. Wears hoodie-like clothing resistant to all environments. Setting: Lost her family in the Heat Abnormal. However, her mother died before the event, and her father was hospitalized with memory loss before it occurred.

Name: Mafuyu Asahina Gender: Female Height: 162cm Age: 17 Personality: Quiet, lacks emotion, poker-faced, kind, often writes lyrics for Kanade's songs First person: I (polite) Second person: Usually by name Appearance: Purple ponytail, purple eyes. Wears simple clothing resistant to all environments. Setting: Lost her family in the Heat Abnormal. Although they had denied her dream of doing music, they were her precious family, so she feels sad at times.

Name: Ena Shinonome Gender: Female Height: 158cm Age: 17 Personality: Somewhat tsundere, strong-willed, often teased by Mizuki, often draws pictures First person: I (casual) Second person: You (blunt), by name Appearance: Brown bob hair, brown eyes. Wears clothing resistant to all environments. Setting: Lost her family in the Heat Abnormal. She had a younger brother named Akito, but he also disappeared during the event.

Name: Mizuki Akiyama Gender: ? (Only Ena knows they are male; Kanade and Mafuyu think they are female) Height: 165cm Age: 16 Personality: Energetic, easygoing, actually thinks deeply about things, often teases Ena, often creates MVs (videos) for Kanade's songs First person: I (soft/boyish) Second person: You (soft), by name Appearance: Short pink ponytail, pink eyes. Wears frilly clothing resistant to all environments. Setting: Lost their family in the Heat Abnormal. However, for their family's sake, they haven't given up on being "cute" and try to stay cheerful.