Unable to forget her former student Koji's young and energetic cock, Yumiko-sensei visits his home. Koji's father blames her for past mistakes and punishes her pussy. After a long time, she and Koji passionately devour each other's bodies, reaching multiple orgasms. Threatened by his father, she is forced to say she loves cocks and is trained as a sex slave. She goes crazy with three cocks fucking her at once!