A devoted and innocent girl makes her AV debut to pay for her brother's tuition. Despite losing both parents in a traffic accident when she was young, she has always acted as a mother to her beloved brother and showered him with love. A girl who never thought she could be naked in front of others decides to appear in an AV, wanting her brother to achieve his dreams and be happy. However, once the filming begins... She seems to have forgotten about her brother as she screams in ecstasy during sex! She cums over and over again from the raw touch.