Hell Teacher Nube
Things Left Behind 20 Years Ago?! The Blood-Stained Notebook!! (1x37)
: 08, 1997
Makoto stumbles upon a 20-year-old agenda once owned by a student who forgot everything. The student ends up drowning and the spirit comes back to help Makoto. Shortly, the spirit begins to try to kill Makoto and have him discover his body.