Secretly seduces my wife... ~An extramarital sex between a husband who wants to be cuckolded~

Five years have passed since they were married, and as their older husband Shuji gets older, the couple's affairs have decreased, and Nao is feeling dissatisfied. Nao waits to seduce him, but that day he goes home drunk, being held by his subordinate Kusaka. Kusaka was secretly excited by the sight of her greeted her in a defenseless appearance, and instead pushed her down, not caring about her boss Shuji sleeping next to her... However, what sets Nao off to be cheated on was Shuji's work, who had a twisted desire to "see a wife being raped by others."