With his father’s remarriage, Shouhei Shindo’s classmate, Rino Mizusawa, becomes his step-sister. Shouhei, who is an otaku, is perplexed by living under the same roof with Rino, who is a popular gal in the class. However, due to their common otaku hobbies, they end up having their first sexual experience and become more than just siblings. Imouto wa Gal Kawaii Episode 2
