An uncle becomes aroused by his cute niece's developing breasts and crosses the forbidden line! Taking advantage of the family's blind spot, he gives a sticky breast massage! He sticks to her erect nipples even though she's not wearing a bra! Something strange happens as the pranks are secretly repeated every day... Her sensitivity increases to the point where she cums instantly just from direct contact! Get her slit wet and make her obedient! Eventually, she becomes so addicted to nipple orgasms that she starts to knead and twist them herself!