Ancient Hypnosis

A person gets transmigrated to ancient china as the current crown prince with a world conquest system which gives him some abilities which he uses for more than just world conquest.
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this is a novel focused on smut which i have never written so i want to try it. I am a total amateur in this area so some critique would be helpful.
Contains: hypnosis/mind control, Yandere( A lot but will like be more the submissive type). a little netori but NO NTR and will also contain underage sex till even 12 or something like that so if that disgusts you pls don't read this.
Also Incest
also if there are some pictures they are from pintrest and if their respective creator doesn't want them here il put them away
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I just wanna say i respect woman and people and that this is just a novel with no disrespect to women