Rin returns home to participate in a local festival. - He is allowed to stay at his friend Yumi's house, and Yumi's son, Yuya, cannot hide his joy at being reunited with the woman of his dreams. - That night, a tipsy Rin comes to his room... - With the help of alcohol, he felt sexual awakening for the first time in her life, and told her his past feelings. - Rin is so happy that the young man wants him that she can't help it and ends up putting their bodies on top of each other. - Since then, the two secretly seek pleasure from each other, and the day Rin returns approaches...