Twilight Syndrome ~Saikai~

In Twilight Syndrome: Saikai, four Japanese teenagers—Yuri, her sister Masa, and friends Atsushi and Aya—dare to play a spirit-summoning game at school one night after hearing rumors of ghosts lurking within the building. But their game turns real when actual phantoms appear, sending them fleeing in terror. The next morning, Yuri tries to convince herself it was all a dream... only to realize the horrors are far from over. The lost souls' dark secrets will only be unveiled to those who possess a special gift: the Twilight Syndrome.