It was just a game (JJP FF)

In which, Jaebum and Mark play a game, a dating game, where hearts are meant to be played with then broken. Only it goes typically wrong, obviously. # Got7. # Boy love. # JJP. # Markgyeom. NOTES: Feel free to skip the 'introductory manual'. Sadly, it has no significance to the story at the moment. However, I am work...