I recommend the following three doujin novels to you ~ 1. "My Sister is the Great Demon King": The main character, Song Ci, has a beautiful sister. He also has a darn replica mirror. Every day, he obtains intimacy points by unlocking different positions, thus replicating all kinds of special items. He has a high level of sexual orientation and has many wives. 2. <<Replicating the Heavens from the Bad Person>>: The main character Qin Mo can copy all kinds of cultivation techniques, martial techniques, and divine-grade medicinal pills. He can copy them at will and become stronger and invincible.> 3. "Douluo's Opening Duplicated Hao Tian Douluo": The main character Ye Buqun transmigrated to Douluo Continent and obtained the 100 million year Mirror Image Beast spirit. He has the Duplicated skill and can create another version of himself. He has many forces and is used to freedom. With the elements of fantasy, the protagonist was invincible. I hope you like my recommendation. Muah ~