The innocent girl Yura worked at a rest area and was introduced to a hidden option by a customer, which led her to find pleasure in making men ejaculate. Since then, she has become obsessed with mastering the techniques to make men climax, even more so than earning money! The hidden options become increasingly extreme, and she even starts having sex on her own accord! Even if they ejaculate, or the man squirts, or Yura herself climaxes... 'I won't stop the hidden option until Yura is satisfied!' This work features a seemingly inexperienced pure beauty who becomes a tormenting novice slut.
