A beautiful aunt with family

His nephew Satoshi ends up living at his aunt's house to take the exam. However, she becomes conscious of her aunt, who is as beautiful as she has always been, treats her kindly like a friend, and she is unable to study at all. Then he is criticized for such an attitude, and Satoshi accidentally lets him say that he is actually still a virgin. "What, yeah! It's pitiful that you're still a virgin! So... should I let you graduate (lol)?" After seeing the full picture of the tattoos that you've admired, Satoshi, whom you admired, has grown even stronger in love with your aunt and becomes more absorbed in the sexuality of an adult.