Mainly focused on the protagonist pursuing his love interest + two strong leads + fighting monsters and leveling up + slow plot + various settings + a life of irresistible charm + secret identities + factions + a battle royale later on + golden finger + the kind of story where you absolutely can't guess what happens next + uniting the Six Realms (?) + ascension + sweet, no angst + no angsty tropes whatsoever + ...
Chu Yuebai xx Yan Wan
Target: Immortal Lord receiving lead xx villainous disciple attacking lead
In the System era, creating your own novel world with a little time and money is no dream! Yan Wan spent all his savings to create a male-oriented fantasy world for himself, hoping to enjoy a peaceful life and play the “comeback” hero. Who knew the System would malfunction, making him possess the body of the book's ultimate villain? That wasn't even the worst part. The person he was supposed to possess had died, and he would die too! What did that mean? He was doomed, of course. A cannon-fodder character was destined to die in a year, but how could he change this tragic ending?
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P.S. Nanping must be included, and whatever Nanping has must be included too. Serious plot and romance, both without compromise. There are several twists in the ending. Add it to your bookshelf if you like it. If you don't, I'll cry for you.