A brother-in-law who has returned from working in a rural area and temporarily lives at his parents' house. His younger brother, who lives in his parents' house, is disgusted by him and has a narrow shoulder, but his younger brother's wife, Kaho, treats him warmly. A brother-in-law who is attracted to such Kaho will commit unbearably! Kaho resists, but opens up to her brother-in-law's single-minded thoughts. On a tropical night, the two are sweaty and violently chasing each other.
