I'm Confused, Wasn't I Just an Ordinary Middle School P.E. Teacher?

Su Xiang transmigrates into a book, but it doesn't matter. He's just a stand-in cannon-fodder character. So once he figures out who he is, he quickly packs his bags and runs. A few months later, Su Xiang becomes a happy middle school PE teacher. But he has no idea how things ended up like this He's just an ordinary middle school PE teacher, so why have all the talented athletes in every sport across the country transferred to his school and decided they want to be his students...? He only noticed one kid at school who seemed to get bullied every day, and couldn't bear to leave him alone. He brought the boy into the school's track team, planning to teach him a few things so he'd get stronger and stop being bullied... But now? Su Xiang stares blankly at the wave of talented kids rushing toward him. Shouldn't these kids be sent to the provincial track team or somewhere like that? Su Xiang is baffled. He's just an ordinary middle school PE teacher! A former sports reject who's now a prodigy, A top student who used to be anxious about passing the PE exam, An athlete who retired after an injury, returned to school to study, got back into shape, and made a comeback on the field. All of Su Xiang's students look at him in unison. "Teacher, what did you say? =_=" Su Xiang used to be a happy middle school PE teacher with summer and winter vacations and no teaching pressure. But before he knows it, Track and field summer camps, closed winter training, study visits from all over the country... One headache after another comes his way. Su Xiang: QAQ Principal, can I get a raise for this??? A male lead forgotten in the corner: I don't even get a single word in the blurb anymore? The forgotten original plot: ?? *Same-sex marriage is legal in this setting. * A fun, feel-good story. * Romance is not my strong suit. Theme: Be an excellent people's teacher.