sIT

A male student in a black uniform looks surprised as a silver-haired character in a red outfit appears outside the classroom window, making a hand gesture. The scene shifts to a female student in a green and white uniform who initially looks at the student, then slumps forward in her seat, and finally yells with her mouth wide open. The sequence ends with a view of the classroom window as a bright light flashes through it. The setting is a school classroom.