Ouji no Honmei wa Akuyaku Reijou
Game World Reincarnation, Game World Reincarnation: Sex on the First Night, 王子の本命は悪役令嬢
As your partner, it's only natural that we spend tonight together. He kisses me deeply and consumes my entire being... It's my first sweet kiss on this new life as a reincarnated office worker who becomes the villain in my favorite otome game. Will I be able to keep my fiancé, or will he fall for the protagonist?
FantasyRomanceHentaiJoseiIsekaiReincarnation
Sirius Iver
ProtagonistHe is the Prince of the Kingdom of Hiver. He has a straightforward, unpretentious, and loyal disposition, and is the protagonists fiancé....
Actors and actresses 
Diana Diafell
ProtagonistOriginally an office worker who was reincarnated as Diana. The villainess of her favourite otome game, and Siris being her favourite prince....
Actors and actresses 
Chris
A positive heroine who appears in the game with a strong sense of justice....
Actors and actresses 
Spica Diafell
Dianas cousin....