To discover new pleasures, Sumire Mizukawa visited a certain room. A collar to swear loyalty to the master, and handcuffs to abandon all resistance. Desiring to live as a 'slave,' she offers up her burning body. Intense stimulation, unlike anything experienced in her peaceful daily life, excites her heart and fills her pussy with wetness. To get the stimulation of the cock she loves so much, she induces arousal with persistent blowjobs. When the long-awaited insertion finally comes, she trembles with a pleasure so intense it makes her hair stand on end, letting out loud, shameless moans. The rewards poured into her mouth and pussy only fuel her lust, and she begins to beg for even more stimulation... She continues to seek only the pleasure that lies beyond pain and suffering, pleading for further training...