While his wife was away on a trip, Goro struggled with unfamiliar housework.There, her sister-in-law, Rie, came to help her with her housework.Goro, who couldn't even clean her, happily welcomes Rie into her house, but something is wrong.Not only does he stick to me more than necessary, but the feeling of the big breasts being pushed against me makes my reason melt away.Goro, who has no choice but to flinch at the aggressive Rie, escapes into the bathroom... but he cannot escape from Rie's demonic clutches...