Mysterious Girlfriend X (Manga)

One day, a strange transfer student appear before Tsubaki. Urabe Mikoto is an antisocial girl, whose hobby is just sleeping on class-breaks. One day, Tsubaki goes to wake her up and accidentally tasting her drool... And get hooked on that!

After that, he start going out with her and get to know her better. Her second hobby, as it turns out, is carrying around a scissor in her panties and cutting paper into flowers...