X-Imp (Gwai pin Wong ji joi yin hung bong) (1999)

At a Hong Kong dormitory, the cook's little granddaughter is brutally murdered. The next day, a mysterious new student, Connie, moves into the dorm. As it is summer vacation, only four students are still living there. Mysterious, disastrous things seem to accompany the new girl everywhere she goes.

Part 1
Part 2