The long-awaited third installment of the BoinBB series featuring the busty beauty Yukijo Ren is here! This time Ren is a naughty female teacher with K-cup breasts! She guides her students with motivation that is proportional to the size of her breasts! For students who can't concentrate in class because they're distracted by the teacher's breasts, she makes them stay after school to help them with her own breasts, and for students who aren't performing well in club activities, she uses her breasts to encourage and motivate them! Her beautiful busty breasts and passionate breast play will get you motivated!