[55T3800052] Living under the same roof with my cousin from the swimming club who still has tan lines, Miyu Aizawa (Censored)

The sweet temptations of adolescence... A love story of adolescent youth depicting the memories of one summer! My cousin Miyu was selected as a training athlete for the swimming team. Since the practice location is close to my house, she decided to live with my family for the summer vacation. Living under the same roof as Miyu, whom I secretly have feelings for, I used to be able to talk freely with, but since I started to become more aware of her, I've become nervous. My cousin's tan lines and sweet temptations cause my overflowing feelings to explode, and my reason is...