Investigator Hikari begins to follow a gang member to catch the mastermind of a trafficking organization. A week of sweating and days of fasting in a closed room with a broken air conditioner in the middle of summer... The two have crossed the limits, severing the tension, and transcending boundaries. Although they are on a mission, they have forgotten themselves and kept Ji Po suffocated with Jupojupo, and they engaged with each other violently while sweating and exchanging bodily fluids. The relationship will end when the case is resolved, but Hikari, who has learned about the sexuality she truly feels...