yay

A group of Japanese high school students in uniform stand on a rooftop, initially gathered around a central figure who speaks to them. As the scene progresses, the students react with increasing excitement, culminating in a collective cheer where several raise their fists in the air, prompted by the subtitle "Yeah! I'm in!". The setting is an outdoor rooftop with a metal railing, trees, and buildings in the background under an overcast sky.