This work follows Rin-chan closely until she experiences her first internal ejaculation, a first for her life. At the director's interview, Rin-chan expresses her intention to challenge internal ejaculation and is nervous about it. She goes to the hospital for a check-up, and after a few days, anxiously awaits the test results report, and then on the filming day itself!! Rin-chan, tense, uses adult toys to simulate an internal ejaculation experience, and then finally, her first real internal ejaculation sex!! Great attention is paid to the figure of Rin-chan, who is a mix of tension and anticipation!!
