Two sisters, which represented the dark and the light -heaven and hell-, are starting In the prestigious U.A. academy for heroes, yet a bit later than the rest of the class. The youngest, previously discriminated for her rather dark quirk, hopes to become a hero to heal those she sees herself in; the oldest, adored by their old school, desires to be enough and stay by her sister's side, thing she couldn't do many years ago.

"𝙆𝙞𝙡𝙡 𝙢𝙚, 𝙗𝙧𝙤𝙩𝙝𝙚𝙧! 𝙆𝙞𝙡𝙡 𝙢𝙚 𝙞𝙛 𝙮𝙤𝙪 𝙙𝙖𝙧𝙚, 𝙗𝙞𝙩𝙘𝙝!" With Aoi taking a liking towards the Kawata twins; Ima and Souya start to spend more time together. Yet, Ima's past had started returning to the present, and she seeks revenge for her loved ones. What new things will Takemichi experience in the future?