As our plucky Ordinary High School Student comes into shot, he's seen to be the life and soul of the party of his circle of friends. However sighting a girl who he's never seen before, he makes his excuses with a quick joke and he says he will catch them later. As he goes to see who this girl is...
Only he won't.
An hour and a half later. He's knee deep in the Big Bad's plot and claiming that no [...] [tvtropes.org]