Descriptions:
When Koji returns home for the Bon holidays, he is perplexed to find that his brother and sister-in-law are struggling with infertility treatment. That night, he accidentally peeks in on the couple’s lovemaking, and he can’t take his eyes off his sister-in-law Riho’s lewd and lascivious behavior. Riho wants to get pregnant so badly that she begs Koji, who has a child with her, to cum inside her, in exchange for keeping her voyeurism a secret. Koji is swept away by his sister-in-law’s intense temptation, and ejaculates uncontrollably into Riho’s vagina….