Hiroshi, a brother-in-law who is freeloading at his parents' house due to the difficulty of finding a job. The midsummer heat spurs the humiliation of being shunned by his family and ridiculed by his younger brother. Hiroshi's anger is directed at his beautiful younger brother's wife, Ai. Eavesdropping on Ai's sweaty sleeping appearance, the absence of his family, and finally committing it. Sweaty Lesbian Sex. I can't tell anyone about people's good love, and I'm swallowed by Hiroshi's desires and gradually become obedient.
