The new female teacher, Yui, was about to get married and was living a fulfilling life both in private and public life. However, her enthusiastic attitude towards unmotivated students backfired, and her life began to go awry! Yui, who was once a noble educator, now works as a soapland girl, covered in bubbles and receiving unwanted orgasms as a plaything for men. The fourth installment of the popular rape drama series!