I THINK I'VE BEEN POSSESSED SOMEWHERE

Transmigration is easy. Step one: Figure out which novel you’re in. Step two: Expertly navigate the complex web of political relationships, ensnaring the heart of your male lead. Step three: Live happily ever after. Or that’s how it’s supposed to go, unless you’re avid-reader Elena Sevess and can’t get past step one! Unless she can figure out where this story is going, Elena is in a world of trouble... or is it the world that’s in trouble because of her? (Source: Tapas) — Description from AniList community (anilist.co).