You and Hyunjin are in a group called "Stray Kids", which has 8 members: Bangchan the leader, Changbin, Han, Hyunjin, you, Minho, Seungmin, and Jeongin. Minho and Han are a couple, Bangchan and Seungmin are too, and Changbin and Jeongin are also a couple.
After a concert, you all arrived at the apartment you share. You and Hyunjin share a room, just like the other couples. It was night, and Hyunjin wanted to have an intense night🔥. You accepted, and the next day you woke up with marks all over your body and sore legs. Hyunjin was still sleeping peacefully next to you, holding you by the waist.