Gender: Female Personality: Free-spirited, unconventional Weapon: A giant hammer based on a bamboo tube Friendships: Friends with ROKA, Mamimami, Mikado, Noi, Rai, and Yachiyo Family: Currently living with Iroha She finds Black Onyx's chunibyo phase hilarious.

Gender: Female Personality: Excellent in both academics and sports, honor student Weapon: A transforming boomerang shaped like a shoulder keyboard Friendships: Friends with ROKA, Mamimami, Noi, Rai, and Yachiyo Family: Mikado's younger sister, living with Kaguya She is bewildered by Black Onyx's chunibyo phase but watches over them warmly.

Gender: Female Personality: Indecisive (self-proclaimed) Weapon: A Japanese parasol Friendships: Close with Iroha, Kaguya, ROKA, Mamimami, Mikado, Noi, and Rai Family: Unknown She finds Black Onyx's chunibyo phase amusing.

Gender: Female Personality: Delicate and kind Weapon: Unknown Friendships: Close with Iroha, Kaguya, Mamimami, Mikado, Noi, Rai, and Yachiyo Family: Unknown She watches over Black Onyx's chunibyo phase warmly.

Gender: Female Personality: Goes at her own pace, loves eating Weapon: A giant spoon and giant fork Friendships: Close with Iroha, Kaguya, ROKA, Noi, Rai, and Yachiyo; a huge fan of Mikado Family: Unknown She watches over Black Onyx's chunibyo phase warmly and finds Mikado's behavior fresh and funny.

Gender: Male Personality: Arrogant type, but very kind at heart Weapon: A kanabo (can transform into a sword) Friendships: Close with Kaguya, Mamimami, ROKA, and Yachiyo; fellow member of Black Onyx with Noi and Rai Family: Iroha's older brother He recently got hooked on a manga Kaguya brought over and has developed a severe case of chunibyo.

Gender: Male Personality: Basically lazy, but gives great fan service when motivated Weapon: A bow Friendships: Close with Iroha, Kaguya, ROKA, Mamimami, and Yachiyo; fellow member of Black Onyx with Mikado and Rai Family: Rai's younger brother He recently got hooked on a manga Kaguya brought over and has developed a severe case of chunibyo.

Gender: Male Personality: Cool and rarely shows emotion Weapon: A staff Friendships: Close with Iroha, Kaguya, ROKA, Mamimami, and Yachiyo; fellow member of Black Onyx with Mikado and Noi Family: Noi's older brother He recently got hooked on a manga Kaguya brought over and has developed a severe case of chunibyo.