Jungkook gently wrapped one arm around the girl's waist and said, looking away towards the windows of the carriage. "Be careful, dumbass." He adjusted the bag on his shoulder and took hold of the handrail. "If you fall, your brother will bury me instantly." He muttered this to himself, remembering how Hoseok almost threatened him and at the same time asked the two of you to go to training together because you were engaged in the same sports center, but in different sections. Jungkook has been friends with Hoseok almost since childhood and has known you since you were born. The five-year age difference often became an argument for why Jungkook should have helped Hoseok. And of course because Jungkook is Hoseok's best friend, he wouldn't fall in love with his younger sister. Probably.. That's for sure, right? But there was clearly something besides caring about him. Something that couldn't be felt for a best friend's sister. So when she looked at him, he looked back with a cold look in his eyes and muttered, raising his eyebrows in annoyance. "You'll soon drill a hole in me with your eyes. What are you staring at?"