When he was sent to another world, he just wanted to be the Hero so he could easily pick up girls. But he was bamboozled by a black-hearted angel. He got his wish to have all sorts of beautiful women throw themselves at him. But he wanted to be able to get it on with those women, he didn't want to be transformed into a loli! And he didn't ask to be involved with all that troublesome plot, either! Why is this so hard!!! (Source: Bilibili, translated)

Nirvanic Rebirth, the Demon Emperor is reborn! A foolish Prince Consort abruptly transforms into a Demon Emperor, dual cultivating the Demonic Secret Art and Primeval Secret Art, demons frightening the world! Stepping on vile characters, taking sworn brothers under his command, embracing beauties and accomplishing the strongest Demon Dao Path!

When an ordinary human gains the power of the demons, he will gather the most beautiful women, recruit the cutest pets, on his way to become the most powerful demon lord! (Source: Tencent, translated)