I always end up as a side character?!

It's been a regular day, a regular routine, eat, exercise, work, sleep, however, one day I woke up and found out I was no longer "me", I quickly started panicking and then I saw it...a blue text formed in front of my eyes. ------ The first world is Classroom of the Elite This fan-fic is just to kill time so don't expect a great commitment. My English is far from good, however, if you can live through simple phrases, there shouldn't be that many grammatical errors...most likely.