Core premise is amazing, but the execution seems a little basic. The almost rushed feeling of it keeps making me feel like it's setting up for a "actually it turns out he's useless" joke but it just does the typical formula. Hopefully it'll keep from getting cancelled long enough to improve.
...Oh god, am I analyzing a comic aimed at children like it's some kind of college thesis? I am, aren't I? What have I become?
Regardless, looking good on the translations! I wouldn't know how accurate it is to the original, but I haven't noticed any issues with grammar so far!