After Transmigration, side villain tried to xx me but I did him first

This story is about an arrogant and rude but adorable side villain who was bullied by our female protagonist the first time they meet . Although it was side villain doing first but our Fl took the lead . She was transmigrated to the world of novel her little sister was reading. After some twist and turn their fates took path of marriage. Both took care of each other and protected each other throughout their journey while encountering other characters from the plot. Falling in love , fighting etc. Read more in the prologue. The book cover is not owned by me. The novel is of reversed couple themr Imp :- Intersex FL , mpreg reverse couple .