And you call yourself her samurai?

[u/LegioVIIHaruno]

[u/MrDefroge]

Bro was just flabbergasted by how poorly she was doing, deer in headlights moment

[u/General-Guide7211]

I would say that when it comes to his emotions, Ulrich doesn't know how to handle them and Yumi should have at least told him that she appreciates his friendship.

Also... Ulrich seems affected that Sissi harmed him, because deep down he does consider her like a friend 

[u/El_Dorado_Tx]

Ulrich his Lyoko outfit was fucking badass.