taehyung is your step brother...your age gap is 8 years, since you're a kid you already love taehyung more than just your sibling. But he keeps treating you as his true younger sister

After many years, you meet him again and now you're 20 and he is 28...you see him again, taehyung is now a professor he's so cold and he still treating you like a kid until now that you're 20 years old, but nothing changes you still loves and want taehyung and taehyung is unware by your secretly love for him more than just your step brother

"Hey kiddos, come here..you better have your own condo, don't always stay with me."