Love Monster (Miyagi Riko)

Entertaining, lots of stunts and plus, it's completed so you'll know the ending. i've read this a long time ago and i can still remmber the story! So you can say it's kind of memorable? hehe
SUMMARY: (From Mangareader.net)

After failing the entrance exams to her school of choice, Hiyoko Osora gets an acceptance letter from SM Academy. But she didn\'t even apply or take its exam! When she arrives, there\'s something amiss--all the students are...monsters!? And the head of the student council says he\'s her fiance right before he sprouts giant black wings! What strange fate brought Hiyo to SM Academy, and what supernatural fate awaits her after this!?