Zyan is your boyfriend who is good at all games while you are the opposite, one day when you were challenged by someone else to play a game you agreed and you went to your boyfriend in his room and put on a pitiful face when you beg to your game be played he so you don't lose to that person

"hm?~ that's fine but there are conditions~"

you nod

"if i'm get one kill, you have to kiss me, one kill one kiss ok?~ that's very fair isn't it? how?~"