On the street, an amateur girl named Yurina. Her gentle, warm personality and maternal demeanor gradually open the heart of a pure-hearted young man in an erotic and captivating way. With sincere affection, she supports her partner, tenderly embracing his inner anxieties and worries. Her warmth slowly cures the man's erectile dysfunction and delayed ejaculation. Her shy yet tender approach, responding honestly and emotionally, feels as pure and seductive as the early stages of a romance. The innocent charm unique to an amateur woman makes her even more alluring. The relationship between Yurina and the young man deepens both emotionally and physically in an erotic story.