“What do you think it means to become an adult?” Newcomer Serizawa Hitomi, a 19-year-old college student with beautiful F-cup breasts, makes her porn debut in a documentary capturing her first date and first sexual experience. With no previous partners, she reveals her candid self as she gives her first blowjob, masturbates for the first time, and has sex for the first time. “Does this mean I’m an adult now?” Her nerves, anxiety, tears, and gratitude are all captured in full.