Mha x Child!
This is similar to Eri's story, however Usagi or Y/N comes in later. She is saved by the heros eventually after being abused and used for all of her life. Want to join on her story of becoming a normal girl and maybe even a hero?
There are these warning
Mention of rape (don't know if I'll go into detail about what happens during but yeah)
Scenes of abuse
Scenes of bullying
Scenes of Depression
Scenes of panic or anxiety