Eroge no Sao Oji-san ni Tensei Shite Shimatta

One day, a dull man who loves erotic games dies from overdoing his wanking. He was reincarnated into the world of the erotic game “Too Popular VR: Harem in a School for Young Ladies!" However, he was reincarnated into the world as “Sansuke Ganji,” an old man who cuckolds the hero and a total scumbag