A female teacher was transferred to an outlying island and forced to wear a swimsuit, exposing her cleavage, while being sexually assaulted. (SONE-028)

"Being forced to wear a swimsuit after becoming an adult... there's nothing more humiliating than that..." Female teacher Xiaoxiao and Xiaonan are transferred to an outlying island. Her overly voluptuous figure attracts the attention of a lustful instructor, and she's suddenly appointed as the swimming club's advisor... "Too small, it'll get inside..." Despite feeling ashamed, she diligently teaches her students. However, the club members, with their overflowing lust and stamina, have reached their limit! They summon their teacher, ejaculate on her voluptuous body, and take turns raping her!