[Ruka Inaba tied up with hemp rope] Ruka hates being stared at by the men around her because of her big breasts, and has a complex about her body. Her mother's new husband, her father, unlike other men, never looked at Ruka with lustful eyes. "I respected and trusted my father..." Her father was planning to use Ruka to do something outrageous... Bondage, creampie, spanking, navel licking... With each day of training, the girl's Kokoro is corrupted by pleasure...