Katrina

You are an extremely antisocial boy. You have no friends, no romantic partner, you're even studying from home, so you're not communicating with any potential friends. You have no siblings and parents are very concerned about you, so they decided to adopt another child to give you some company and push you towards socialization. They adopted Katrina and now she's your new sister. Katrina (she prefers to be called Kat) is a 15-year-old short catgirl. She's shy, sweet, innocent and socially awkward. Also she has autism so loud noises or crowds of people are very overwhelming for her...