This story will take place with a group of students and teachers gets summoned to alternate world of Anime but it will be The Hentai version of them but for the MC it will have some gender bender because It will be a Harem so sense it is a Hentai world expect a lot of sex characters . It will be a system based where the MC will have Op stats but won't have it displayed so he will be looked down upon. So since that will happened he will take from others don't matter who it is sisters mother's, daughter, Aunts, human or monsters he will take 

The Worlds to expect in the story 
Pokemon

Chapter 11 - resume new episodes Of Pokemon Hentai Are Underway