Summary: A day starts as usual in Danhwa Girls' High School. But this peaceful and ordinary life totally comes to an end, after lunch time. Blue and Pink bottles of yogurts are served as a meal. All the girls who drink the blue bottles of yogurts begin to turn into boys. The moment So-ah sees the scene, she runs out of the classroom, with astonishment, saying herself, "I have to inform Jae-hee of the fact ...

Latest Chapters: ch.prologue ,