[System + comedy + villainess + transmigrate into a book]
A Jiu became a beta tester and transmigrated into an old-school romance novel called My Love Affair with the Arrogant Vampire.
The male lead, Sean, is an imperious vampire prince. The heroine, Belle, is a kind, strong-willed human who serves as fresh emergency rations. After a string of misunderstandings, hardships, and melodramatic twists, the two leads end up living happily ever after.
The villainess, Alisa, is involved in every stage of the leads' relationship, from their first meeting to falling in love. She's a plot device who pops up wherever some villainy is needed, driving the whole story forward.
Now, A Jiu has become Alisa.
As a beta tester, she was supposed to follow the System's directions and play out the entire story. But after entering the novel, she lost her memory.
As a result, the original plot goes haywire, and random scenario instances keep opening up.
The Vampire Lord declares her queen, werewolves want to be her dogs and bark at her, and witches tell her to give up on love and become a rich woman instead.
Pretty good.