A young man and a mother figure named Mihina, who had run away together, one day learns that Seiya is being bullied at school. Thinking she has made Seiya feel lonely without his mother, Mihina goes to comfort him. To avoid failure with her first love, Mihina tries to teach Seiya about sex, but he refuses. However, Seiya's crotch is erect. Mihina smiles and gently teaches him…
