A stunningly beautiful face and a lean, toned body with not an ounce of excess fat. Her gentle and approachable personality only adds to her charm. To Ryota, Misako—his mother’s close friend—has always seemed like an unattainable beauty, far beyond his reach. Fantasizing about her as his girlfriend, his lustful thoughts spiral out of control until he finally starts pleasuring himself using her as his fantasy. Meanwhile, Misako becomes aware that she’s being desired sexually. Realizing this innocent, adorable young man is aroused by her, she decides to take matters into her own hands—teaching Ryota everything about a woman’s body, from the very beginning.