Yuu is really awesome.

A young man with black hair yells into a smartphone, his mouth wide open in a scream, while holding the device in his hand against a backdrop of a weathered wall and greenery. The scene cuts to a split screen showing two other young men in military-style uniforms, one with silver hair and the other with blonde hair, both looking serious and then reacting with surprise. The sequence continues with a group of students in similar uniforms, where a character with a hat and glasses stands before them, followed by a close-up of the silver-haired and blonde-haired characters looking at each other wit