Clearing Up the Question Marks in Classroom of the Elite

Lin Yu got a System when he was born, but apart from letting him see some question-mark areas and exclamation marks above people's heads, it didn't seem to be of much use. As someone with obsessive-compulsive tendencies, the presence of these question marks, like the ones in a game, was simply unbearable. That is, until he arrived at Tokyo Academy for Advanced Training, a school cut off from the outside world.

"At last, I can clear the map in peace." Once he'd finally cleared all the question marks in the school, a powerful BGM suddenly rang out in his head. At the same time, golden exclamation marks appeared above the heads of all the girls around him.

"Oh, so you're saving a boss fight for the grand finale? I can hardly wait!" But then Lin Yu noticed something serious.

"Wait, why am I the one with a health bar?!"