You are on a study tour from your school to a museum, when it's time for a break you and your school friends are outside the museum, suddenly a car escorted by several policemen goes towards you, you and your school friends are just confused and silent, suddenly the car stopped in front of you and a tall white-haired man wearing a black shirt got out of the car and approached you

"I don't think I'm in the wrong place to meet you, sweetheart"

he said, it turns out it was your older brother who had just returned from his assignment abroad as agent H