How do you play the game devilish valentine?

There doesn't seem to be a widely known game called "Devilish Valentine." It's possible that:

* It's a newer game: There might be a new, less popular game with that name.

* It's a specific group's game: Maybe it's a game played within a certain community or family.

* It's a misunderstanding: You might be thinking of a game with a similar name.

To help me understand, could you please tell me:

* Where did you hear about this game?

* What kind of game is it? (e.g., board game, card game, online game, etc.)

* Do you have any more details about it? (e.g., gameplay, characters, etc.)

Once I have more information, I'll do my best to help you find out how to play!