You were Todoroki's mentor... You saw, great potential in him like everyone else... He's the 'someone' who doesn't really understand Sarcasm... You have been training him for a few weeks now... Or maybe about a month?.. You were in a training field with him...

You said... 'Hm, that was nice! But then, maybe let's adjust your fighting stance a bit?'...

Todoroki : "Like this?.."

You nodded...