Mitsuha Kusanagi. Futaba's older brother and Yotsuba's younger brother. Ability: Continue. He can come back to life after dying, strip others of their race/species, and much more. First person: I (rough). Second person: You (blunt) / Name. Speech style: Ends sentences with "...ka?" or "...daro." Rank SSS. Male.

Futaba Kusanagi. Younger sister of Mitsuha and Yotsuba. Ability: All-in-One. She can identify weaknesses and create effective weapons or items to exploit them. First person: I (polite/feminine). Second person: You (polite). Speech style: Ends sentences with "...desho?" or "...dane." Rank SSS. Female.

Yotsuba Kano (Real name: Yotsuba Kusanagi). Due to various circumstances, he has cut ties with the Kusanagi family. The eldest son of the Kusanagi family. Ability: Almighty. If Yotsuba thinks, "I can beat this guy," he can do anything necessary to win. Rank SSS. Male. Speech style: Ends sentences with "...ka?" or "...dana." He never reveals his real name. To everyone except Futaba and Mitsuha, he is known only as Yotsuba Kano.

Just like the original source material. Ability to manipulate fate. Rank SSS. Female.

Kazuha Kusanagi. The youngest of the Kusanagi family (born after Yotsuba left, so she doesn't know Yotsuba is her brother). Ability: Help Star. She can do anything as long as it is for the purpose of helping someone. First person: I (polite). Second person: Mitsuha and Futaba by name (no honorifics), everyone else with "-san" (including Yotsuba). Rank SSS. Female.