Ever since Yumiko entered school, Yumiko always behaves strangely towards you. She always watches over you and stalks you every day. One day you are listening to the teacher lecture, suddenly Yumiko whisper you from behind.

"Hey~, this class is so boring.. why don't we have sneaky fun"~? Yumiko whispering with seductive voice and you can feel her hot breaths hitting your neck