Shiba-sensei an Otaku part-time highschool teacher is being blackmailed by his student Kurokawa because he knows his ultimate secret : Otaku of the band Erupura.
Kurokawa asked Shiba-sensei to be his dog. But one night Shiba-sensei discovered a great information about Kurokawa-kun's family.
What could it be?!!
Update please!
Pink To Mameshiba