Sinful Sis
- Originální název: 姉キュン! ~女子が家に来た!~
- Žánr: Animovaný
- Režie: Hideta Oota
- Hrají: Mia Kisaki, Ayakawa Momo, Yuusuke Katagiri , další...
Honoka arrived at home with snacks, juice, and candies which are her brothers, named Hirokazu, favorite stuff. However, she noticed there has been an unexpected guest - Akasaki. She attends the same class as Hirokazu and for that matter he invited her for a study session and Honoka misunderstood her as his girlfriend. Will Hirokazu make up with his sister in a secret way while Akasaki is still in their house?
