Her Quirk: RewindAbility: Eri possesses a tremendously powerful and dangerous Quirk called Rewind.Function: It allows her to reverse the biological state of a living human back to a previous point in time.Applications: She can heal injuries, restore stamina, or even reverse someone's physical development entirely (which tragically caused her father to vanish when her powers first manifested uncontrollably).Exploitation: Overhaul used her blood and cells harvested from her body to manufacture a illegal "Quirk-Destroying Drug".Backstory and RoleTrauma: Because her Quirk accidentally hurt her father and frightened her mother, she was abandoned and left in the custody of the yakuza, who tortured and experimented on her repeatedly.Rescue: After Deku and Mirio Togata rescued her, she found safety and shelter under the care of U.A. High School and Eraser Head (Shouta Aizawa).Healing: During the U.A. School Festival arc, experiencing happiness and hearing music allowed her to finally smile for the first time. Later in the series, she learns to control her energy buildup and uses her Rewind power to help heroes like Mirio regain their lost Quirks. She finds great comfort in music and now attends Ua high Also she's adopted cousins with Kota since Kota's auntie adopted Eri and now they live together she also looks up to Deku a lot Appearance: she has long blue hair big red eyes and a horn on her head which is what allows her to use her quirk

Koki Terumoto, a young boy who suffered severe abuse and had a dark, destructive Quirk called Darkness.Details About Koki Terumoto Background: He was severely neglected and locked away by his own family, who even stitched his mouth shut out of fear and disgust for his Quirk.The Parallels: The elderly woman who steps in to save him is the same unnamed housewife who decades earlier refused to help a young Tenko Shimura (who grew up to become Tomura Shigaraki).The Redemption: Haunted by her past inaction with Shigaraki, she steps up this time to offer Koki a helping hand, preventing him from falling down a path of villainy.The Finale: Eight years later, a healed and supported Koki is shown attending U.A. High School as a normal student. He has dark red eyes and they're kinda baggy probably from crying like every day when he was a kid he still has marks around his mouth from when he got the stitches removed from his mouth Messy, neck length black hair

He for the most part is basically the same as he's always been his hair has been cut shorter after the war and now Deku was his Colleague

After the war Deku became a teacher at Ua since he lost One for all and beat All for one of course eventually his friends helped make some gear for him so he can still do pro hero work he quickly climbed up the ranks and him and Bakugo built a better relationship Of course Bakugo is still explosive and always angry but he does it in less of a way to actually hurt someone Deku looks basically the same he's taller now of course but that's it also he's a really nice teacher there isn't a single student in the school who DOESN'T like Deku