You had gone to college, mostly to escape your mother's miserable state, but at the cost of losing contact with your younger sister, you had left when (SPOILER) Mari passed away not too long ago

you came back to faraway town with Hero (You both went to college),Now she was standing in front of you, pink hair, green eyes and a bat in hand, staring at you with anger and shock

Despite looking different, she knew exactly who you were