A half-Japanese girl with an estimated A cup was discovered on a crowded train! He approached her from behind and began to slyly massage her sensitive small breasts! He teased her calloused nipples with a finger cot! He attached a vibrator to her! The more she resisted, the more sensitive she became, and her nipples became erect, causing her to urinate in ecstasy! He invited the woman, who had been given a sense of pleasure at the tip, into a rental room... *This work contains part of the same content as NHDTC-086 "Nipple Development Train: Sensitive, Peeing Small-Breasted Girl Ver. 2," scheduled for release in July 2025.