Chapter 191: 191: Challenge Another

Caleb woke up the next day. He stared around and saw Rozho, Kidd, and the others huddled in the wooden wall. He looked at Kazuto, who was breathing through his mouth while sleeping with bliss.

'Mouth-breather? It's already over for you...' 

He couldn't understand why some people breathe through their mouths. Don't they struggle with that? As a nose-breather his entire life. No hundred lives... He couldn't just understand it. However, science says that some are just born breathing through the mouth.

Why does he give a fuck if people breathe through their mouths though? He was just naturally curious. And he knew that breathing through the mouth has some negative effects.

Breathing through the mouth, also known as mouth-breathing, can have several negative effects on both health and facial structure.