Kiben Gakuha, Yotsuya-senpai no Kaidan.

In the midst of a female-kidnapping serial killer incident, Makoto's best friend Hinano has vanished completely. Desperate to find her before it's too late, Makoto will try anything-- even invoking the resident phantom student of her middle school, Yotsuya-senpai! Surprisingly, Yotsuya-senpai appear