Rion, a married woman, has become the target of a middle-aged man in his 40s who lives next door and lives in a trashy room. This socially awkward neighbor treats women's bodies roughly, and is particularly obsessed with nipples. One day, Rion is violated by her neighbor, who relentlessly attacks her nipples. Having learned the pleasure, Rion begins to seek out nipple orgasm development herself, even though her husband is there. In the end, she finds herself drawn to the middle-aged man more than her husband. NTR nipple development sex with a foul-smelling dick! "My body has become incompetent without you touching my nipples..."