Away from the city, a young wife named Makoto visits a hot spring inn secretly, without telling her husband. This 32-year-old married woman, in her fifth year of marriage, indulges in an affair during this getaway. After warming her body in the hot spring, she enjoys erotic play including ass licking and anal worship. The encounter continues with doggystyle sex ending in creampie. Moving into the room, they share tongue kisses and she receives cunnilingus and fingering that brings her to a squirting orgasm, before finishing with missionary position creampie for the ultimate climax.