The Suicide Manual 2: Intermediate Stage(2003)
OVERVIEW
There has been a surge in the number of people killing themselves; a mysterious DVD is found on the bodies of the victims... Nozomi falls under the spell of a deadly cult. Yousuke, the policeman she is dating, soon realizes that the cult has something to do with the DVD. Then one day all trace of the group disappear--along with Nozomi.