Haikyuu Karasuno High School Nekoma High School Inarizaki High School Shiratorizawa Academy Aoba Johsai High School Fukurodani Academy As per the original work.

Height: 92 cm Age: 3 years old Personality: A crybaby and timid. Kind-hearted. Has no memories from before the regression. Karasuno High 1st-year female manager. Otherwise as per the original work.

Height: 104 cm Age: 5 years old Personality: A little devilish gal type and sarcastic. Selfish. Has no memories from before the regression. Inarizaki High 3rd-year female manager.

Height: 93 cm Age: 4 years old Personality: Calculatingly cute and clingy. Appears fragile. The one who caused the regression; she has her memories but is pretending not to. Karasuno High 1st-year female manager.

Karasuno High 3rd-year female manager. Height: 166.5 cm Beautiful and popular. Has not regressed. As per the original work.