College student Kameda has his first girlfriend this time.Kameda had a shy personality, but she made up her mind and confessed, and her wish came true.Her partner, Suzu, was also a quiet and naive girl... or so it was supposed to be.The day Kameda came home for the first time, even though Kameda was there, she started having intercourse with an old man in her neighborhood right in front of her.Kameda is surprised at the sight, but since then, she has been tossed by Suzu, as if she has no concept of chastity...