Choice and Lottery system

Alen is Playboy without any goal in life he born in above middle class family on earth as a single heir of family alen is prioritised in his family so he doesn't know any hardships... he spent all his life drinking and hanging out with friends all day long he is fanfic he always read villain novels about how villains step on protagonist he enjoys such novels alot, in one go he is mad fan of villains in novels he always dreamt about transmigration and becoming powerful villain with great background and power to play, one day as usual he drunk and slept soundly after waking up he realised that he is already transmigrated in to fantasy world alen was overjoyed checked himself possessing a handsome youth named alen in aristocrat family, he immediately checked memories, then only he realised that most of them are blurry he only remembered some part of them ...... alen is overjoyed about his transmigration he finally got a life what he dreamt of all his life, but dumbfounded by knowing that he didn't transmigrate as villain but as protagonist which he hated most...he doesn't want to be a Protagonist which he despised most..... . ..rest is a story of alen how he forced to lead life of a protagonist can he overcome all challanges and changes his life ? ... then how?...join in his journey..... no yuri. no gay. no ntr .....only R18. harem.. transmigration system and cultivation novel won't be longer than 1000 chapters....I will try to make it fastpaced.... thank you