KissXSis
The story begins with Keita Suminoe, a male third-year junior-high school student studying for his high school entrance exams. He is living in a home with his older twin stepsisters, Ako and Riko, who share no blood relation to him, and they help him prepare for his exams. Even though he initially dislikes himself for it, he begins to become attracted to his two step-sisters, and his two parents encourage him to eventually get married to one of them.
Episode Summary
With Keita ill before the big exams Ako and Riko step up to the mark by getting out of school and making Keita feel better by nursing him back to health, but a slow recovery is the last thing Keita wants as his two stepsisters fight for the place closest to his heart. Both of them end up licking the sweat off his body, which passes the cold over to them whilst Keita makes a full recovery. The final exams are overseen by Yūzuki, who is surprised to find Keita there. Whilst Keita takes his exams, Ako and Riko remember how Keita was there for them when they were taking their exams. After returning from his exams, Keita gives his thanks to a sleeping Ako and Riko, who are surprised about it once he leaves.