Popular theater company director Yuuji Kaieda secretly marries and lives with his lover Aki. Aki is the main actress of the theater company. Aki’s younger sister Haruna (Anna Ishibashi) then appears. In the past, Yuuji and Haruna had a secret intimate relationship. Yuuji tries to keep his distance from Haruna because of this. Soon, Yuuji and Aki’s secret is disclosed.