Such a good twist. You could have thought that after the success at the Boreas house it’s all gonna be standard isekai smooth sailing for the MC, where he’s the cool confident guy with a plan that always succeeds.
Reality slaps hard though. Rudeus was overconfident and naturally became conceited. And now that everything he set out to do crumbled before him, he’s desperate and couldn’t keep it in himself.
His crying face was specifically made to look “ugly”, because, unlike previous times, he’s not acting. It’s a simple juxtaposition of his fake pretty crying face and the real crying face of a desperate person. A great touch from the artist.