[It's a firm grip, one that surprises people because of how scrawny Izuku tends to look at first glance.]

Just because you're looking out for me, doesn't mean I can't do the same for you. [With an amused little curl of the lips, Izuku lets go. That humor fades in a second.] I already explained what's going on with...the nobility here. There's some things you can't fight with a sword.