Chara hasn't let go either, but the rush of adrenaline from the shock has them gasping for breath, red eyes wide, pulse racing in their ears as their blood runs hot with fight or--

Oh, let's be honest, with Chara, the instincts are FIGHT or FIGHT.

"I--You--"

It's not the most eloquent response. Chara points accusingly at the Houndour with their free hand and looks back at Frisk, indignation all over their flushed face.