this is the one that worries me the most

He chose.... Poorly

You bloody fool - what have you done?

Correct me if I'm wrong but based on hammer's previous pictures on Kasen, isn't the guy just saying "No"? So does this need the translation request tag?

Lebacheite said:

Correct me if I'm wrong but based on hammer's previous pictures on Kasen, isn't the guy just saying "No"? So does this need the translation request tag?

Actually, it's "n". (Well, maybe it's "do" with bad handwriting, but probably it's hiragana "n".)

Regardless, not much to translate.

say the only wrong word to kasen no holding back anymore.