My Saviour | Eri's Sister x Deku | Y/n x Deku | My Hero Academia

Y/n is Eri's older sister, she didn't go through the pain and suffering that Eri went though, but she had to sit back and watch it happen. She was only alive so that Eri would be so...well, you know. One day, the heroes come to save her, she could be free of the terror Chisaki put her through. Her life truly begins with her sister...and a certain green haired crybaby.