C415 Be Good and Give Him a Punch!

Genos was actually addressing this bald guy as his teacher?

An S-class hero, taking orders from a B-class?

And ever since this stoic bald B-class showed up...

Facing the Deep Sea King.

"..."

Not a flicker of emotion.

Facing a critically injured Genos.

"..."

Still, not a trace of emotion.

Could it be that..