Daily life, I am a devil, pleasure comes first

What should I do if I travel to a world of anime mixed with hentai?Good news, we are demons!As long as you sign a contract with a cute girl and make her your follower, you can gain various special abilities.Since we are in the anime, happiness is the truth.Lin Mu's eyes immediately fell on the high-quality retainer candidates, and he accidentally took down the little angel Shiina Mahiru at the beginning!Shiina Mahiru: "Since you touched me, you must take responsibility!"Kirisu Mafuyu: I'm your teacher, are you serious? Shut up!Shiina Mashiro: Hey, do you want to turn yellow?Akizuki Ai Li: Bastard, I don’t like you!Akizuki Marina: This is wrong, don’t…Kujo Alyssa: I really didn't curse you in Russian, please let me go!Yukinoshita Yukino: "You scumbag, having a sister isn't enough. How long are you going to bully others?"During the process of contracting a family, how will Lin Mu achieve a harmonious family back garden?