Noboru has crossed the line with his sister-in-law Rin. The trigger was my wife's runaway. A couple quarreled, and Rin suddenly visited the place where he was lonely and drinking at night. She is said to have come to help Noboru, who is having trouble with unfamiliar housework. As a result of believing those words, he falls into a trap. Knowing that Rin's true purpose is to relieve her frustration, Noboru mobilizes her reason and runs away, but Rin's tenacious temptation begins to discourage her reason...
