Attendance stamp at the club

Kim ㅇㅇ, 23, in the prime of her youth, works part-time at a club. She's met a lot of unique people while working there, but she's never seen anyone like this. Where in the world is there a student body president who stamps their attendance at the club every single day? 19-year-old Park Jimin and 23-year-old Kim ㅇㅇ, who are falling in love at a club.