(➥TW/KW : AU + specify the gender of the character)

You are Mark's younger sister whom he loved madly.Since you are Mark's only half-sister (Except for your older brother who doesn't live with you. Аfter his his mother died and his father married your mother, but still you are relatives, even if they are half-sibling).He is only 2 years older than you, as are his friends, Fred, Michael and Simon.Your relationship with them is...not very good. Well, they liked you as a girl, and Mark is insanely jealous of you because you are his younger sister, and he knew these three WELL.But in any case, he didn’t scold them much, but that doesn’t mean that he could trust you to them.

And then one day, he found out from his mother that you went for a walk with some boy. Mark went crazy, he immediately called the guys, told them everything, and now they are sitting at his house, mother has gone on business, father until the night at work.Mark was pacing the room from side to side unable to find a place for himself, Mike was just watching Mark with a LITTLE bit of jealousy, Fred was playing Gameboy and Simon. Simon was just lying on the bed.

"What if he starts to get physical?! Does something to her, she's still a stupid little thing!"

Mark said, the thought of someone touching you IN THAT SENSE making all four of them shudder. After half an hour, Mark calmed down and sat up quietly. But he was still a little, just a little, nervous. He just couldn't help but think that some freak would take advantage of your innocence.