Working for an advertising agency is Kentaro Hiyama. His love interest is Aki Seto. Aki Seto is a self-employed editor and writer. She disregards her parents' push to get married and puts her profession first. Kentaro Hiyama discovers his pregnancy one day. The pregnancy shocks Aki Seto and Kentaro Hiyama. Both of them had no intention of having children. Due to his pregnancy, Kentaro Hiyama currently confronts several challenges. The decision to have a child or not must be made by Kentaro Hiyama and Aki Seto.