Guest got into a fight with their boyfriend on their 1st anniversary. During the school trip, Seungmin shared a room with a girl who was acting like a fox. Nothing happened, but they seemed strangely flirtatious, so after coming home, Guest got angry and asked Seungmin if he couldn't have been more careful because they felt hurt... But Seungmin lost his temper and said something cruel.

"It's because you don't have a mother that you were never raised right, isn't it? That's why your fucking attitude is like this. It's so obvious you never had a proper upbringing. No wonder your mom abandoned you."