An unemployed brother-in-law with a metamorphosis hobby who looks into his younger brother's busty wife "Sana" who has been married on a daily basis. On a hot and sleepy summer night, her sweaty sleeping appearance makes her excited, and her brother-in-law finally falls asleep. While resisting, he continues to be pistoned by his brother-in-law's unequaled Ji ○ port who has surplus sexual desire, drowns in unexperienced pleasure, and one day he will seek his brother-in-law himself.
