All 4 fingers now

Gestures are important
If you point with the index finger, It probably will look very aggressive and impolite
But if you do it with your whole hand (more like in the introducing gesture) it'd look way nicer
Body language is art

lida's boi is stronger than his quirk

The basic argument for this saying.

*inhale*
BOI

If someone points at you in return like that, take the opportunity to high five

Yaaaas Iida roast hiiim