@carmajedon Well, If at this point of the story you still expect the MC to be featured in every single chapter (and he's been for the most part) then you're set for a big disappointment. This isn't your prototypical Shonen Jump manga where the MC is the only character carrying the story and doing stuff all the time. This series is about the Fight Class so you need the other fighters to have their time to shine. Since the MC isn't gonna fight until next semester and Eun-sol and Ha-mim are the finalists of the tournament it was pretty obvious they were going to get some shine.
I mean, the synopsys is blatantly honest from the get go: "Ji-tae is a weakling" so don't expect him to become this badass MMA fighter that will beat everyone all of a sudden. He has 3 years for that and we're only in the first semester of his journey.
So many of the side characters are amazing. Class Pres is great, the bubblegum friend is amazing, the capoeira chick, dude who got his face pushed into the back of his skull.
...not using their names probably isn't helping but I'm horrible at remembering names in my own language let alone other ones.