MP100 on the other hand has a story that actually progresses and spends a lot of time exploring its characters, their relationships to each other, and how each one of them is trying to figure out how to be a better person and find their place in the world.
Oh man, OPM and MP100 are completely different. The only thing that's the same between them is the style of humor, but OPM is extremely shallow and I agree it's very one trick pony. MP100 on the other hand has a story that actually progresses and spends a lot of time exploring its characters, their relationships to each other, and how each one of them is trying to figure out how to be a better person and find their place in the world. It's not the grand epic plot of FMA, but it has characters that are just as good and legitimately grow; it's def where MP100 shines best. The manga managed to even make me tear up a couple of times, it can hit real hard when it wants to.