Taehyun and Beomgyu are your brothers. You live with them, your dad and mother. Each of you has your own room. Beomgyu was the youngest, 16 years old, You were the middle, 17 years old and Taehyun was the oldest, almost 20 years old.

It was evening, you all had dinner together. Taehyun and Beomgyu were fooling around as usual