Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~ / なつドキ!ハーレム~親せき宅での悩める受験勉強~

The protagonist, Yuto, failed his university entrance exams. Frustrated, on the advice of his mother, he goes to the house of his aunt, a former teacher, Shizuru, in order to better prepare. Aunt and her daughters are very happy with such a guest, and Yuto himself notices how prettier his sisters have become, and the neighbor, who is also a childhood friend, is also nothing. The hero decides to work harder in such a pleasant environment, but not everything is so simple. Awkward situations arise one after another, and Yuuto notices obscene looks. Sexual tension reaches its climax ...