This work follows Rin chan, who has never experienced creampie, until she experiences it for the first time in her life. Rin-chan is anxious when the director tells her about her intention to challenge creampie during her interview. She goes to the hospital for a checkup, and a few days later, the exciting results are announced, and then on the day of the shoot!! The nervous Rin chan is given a simulated creampie experience using adult toys, and finally it's her first ever creampie sex!! Watch Rin Hatsumi-chan's appearance, a mixture of tension and expectation!!