Jigoku Sensei Nube: Gozen 0 Ji Nube Shisu!
Hell Teacher Nube: 0 a.m. Nube Dead
地獄先生ぬ~べ~ 午前0時ぬ~べ~死す!!
New student comes to Nube class. His name is Jun and he's a lonely boy who loves clowns very much. His only friend is a Pierre - clown in the mirror. And one night Pierre gives Jun a mask with strange abilities. At that point Jun starts to act strange and lot of accidents occur in the school.