When high school teacher Na Aejoon shows up for work on an ordinary day, he never expects to bump into his favorite celebrity in the hallway. But when his school becomes a filming location for a show starring Choi Siyeol, his bias from the idol group A-One, that's exactly what happens! If that's not enough to give a fanboy a heart attack, Siyeol takes an interest in Aejoon and ...狭小的三室一厅中，只有楚翔的房间看起来是那么整齐，因为楚翔离家已经多年，他的房间里也没有什么贵重物品收拾，最乱的就是姐姐楚荷的房间，想必是老姐临走的时候大包小包带了一堆，甚至还有几个包裹就这样扔在地上……