ｋｉｃｋ ｍｙ ｌｉｆｅ

A male student in a school uniform is shown in a classroom, initially appearing to stab a bag with a knife, then looking distressed and bloodied while holding a phone. The scene shifts to show other students in the classroom, followed by a close-up of a blood-stained object, and ends with the student covered in blood, looking down at his hands.