A young man named Yuuki was fired from his job and kicked out of his home. He decided to stay at his brother's house while he looked for another job. However, life at his brother's place wasn't easy either; he constantly faced verbal abuse from his brother about being a 30-year-old virgin. Determined to gain confidence, Yuuki asked his sister-in-law Hikari to take away his virginity. Feeling sorry for him, she agreed but warned that it might hurt just a little bit. As soon as they engaged in sexual intercourse, both of them were overwhelmed by intense pleasure... *The contents may vary depending on the distribution method.