Yep, he is OP. The title is not describing his ability. It's describing his personality. But that's the opinion of people in that world. I personally like his personality, which is "FUCK EVERYONE ELSE!"
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
Mofumofu to Isekai Slow Life o Mezashimasu