A muggy, sleepless night... A body aching with unfulfilled desires yearns for a penis and falls into a forbidden love on a summer's day. Ryoko, who is married and lives in her husband's family home, has been troubled by his infidelity. Just then, her brother-in-law, who left the house 10 years ago and had no contact since, suddenly returned after losing his job. Unable to welcome this selfish brother-in-law, the atmosphere at home worsens. In this situation, the self-destructive brother-in-law loses control upon seeing Ryoko's sweaty clothes revealing her ample breasts and attacks her...
