Izuku Midoriya, Hitori Santo, and some UA classmates go to the mountains for a recreational/training camp. The experience creates an opportunity for Deku and Hitori to go on an erotic adventure.
When her twin brother Izuku becomes hospitalized, Izumi Midoriya assumes his persona to take the UA entrance exam and ensure his acceptance. However this one act of kindness gives her more than she or her brother bargained for.