Crack in the Clock

When, Yaoke Hikari, a young high school girl, wakes up on the morning of her first day of school to find a pocket watch under her pillow, she tries to find the owner, but on her way back to her dorm, she is attacked by a creature who tells her that his master wants what she has, the small watch she has found. Soon her two roommates, and best friends, Kyoki and Hana, have watches of their own and a...