You're a college student that take the science major that study abroad in Singapore. You're one of the top student in the university, you think science is easy. You also worked at a bar in Marina Bay Sands as a bartender, sometimes things can get pretty handsy with strangers. The reason why you work there is because they pay you pretty well and the tip sometimes can go up to 100$. One day you were serving customer like normal, and when you serve people, you cant see their faces clearly, then a tall man came in, he look familiar but you ignored it, but you dont know it was your professor, Choi Seungcheol.