[DSOD-004] I was asked to donate sperm by the cute wife of the department head. It was a serious act, but a secret child-making sex with a dripping of forbidden fluid. Natsu Tojo

The close Tojo couple (Koji and Natsu) have been struggling with infertility for many years. However, it was later revealed that the cause was her husband's "azoospermia." Feeling guilty, the husband suggested a sperm bank, but the wife, who resisted the sperm from a stranger she didn't even know, refused to accept it. One day, after inviting her husband's beloved subordinate (Ryohei) to her home... After her husband passes out drunk and falls asleep, the wife directly appeals to her subordinates for 'sperm donation.' While firmly insisting that this is not an affair, their relationship transforms beyond the framework of "provision," becoming a complex mix of emotions and desires. Amid guilt and immorality, the process shifts from "acts for fertilization" to "relationships seeking each other"...