The virgin boy is placed in a situation where resistance is completely forbidden and refusal is not allowed. His pure heart is gradually dominated by the sensual yet tender strength of Saki, who strongly embraces her dominant side. She shows satisfaction with his inexperienced touches, eventually developing deep emotions for him. The boy has no choice but to obey and serve, being drawn into a world of unknown pleasure and emotion. Her maternal instincts awaken as she wholeheartedly accepts him. This powerful, heartfelt story portrays the deepening bond between them.