Adult PC Game: Etching Edge - Succubus Stronghold Seduction - Incubus Castle Ver.1.2.1 + Toy Integration v1.2 (eng) Archive

The other world is on the verge of ruin, and there's only one way to save it... the princess needs an heir. There's just one problem -- there are no men to give it to her! That's where I come in, whether I like it or now. I've been summoned to this world to save it from a horrible fate...