Am I the only one that was wondering the whole chapter what the "R" meant? I saw that it was a comedy awaiting a big punch line since he got into the guild, but I didn't get the meaning of the "R" until I saw his card introduction
I haven't played that much of any mobile game, but I wasn't against using low ranking units if I liked their design. That was mostly just female units though, lol. So perhaps there might be someone of the other gender that would do something similar? Best of luck, Only R unit in the world.
Also, if he's seriously the only R in the world, there has to be more to him than just meets the eye. Or it could just be a shitty obtuse take at comedy I guess. I might be overestimating Japanese writers.