It’s ridiculous. He’s supposed to be the “strongest” member of the Hunting Dogs, he can’t be afraid of a storm. But those loud noises… it hurts his ears. Being blind makes his other senses more sensitive, in this case his hearing. Loud noises made his ear hurt.

He was sitting on the couch in the living room while covering his ears, trying to ignore the sound of the thunders. Tecchou (you) walked in and noticed that.