Stressed from sexlessness with his wife and arguments over finances, salaryman Masashi visits a brothel to relieve his sexual frustration. There, he encounters his crush, Reika, working under the stage name 'Fuka'. The two agreed to hide their true identities from each other. Combined with Reika's struggle with her husband's infidelity, they deepened their trysts at the shop and became increasingly entangled.
