Hinano, who is overly sensitive about her nipples. During a track team training camp, she confesses this to the captain and crosses the line with 'let's check it out...?' The perverted coach, who had been watching, blackmails them about their in-team romance and begins meticulously training her nipples. Toy concentrated stimulation of the nipples, forced urination training, fixed nipple rotor fellatio, and sex where the nipples tingle and turn into reverse night●. The pink buds are flicked, pinched, pulled, and played with until she collapses in orgasm with rock-hard nipples.
