Oni no Ou to Chigire - Chapter 4 Pg 85 & 86

The man seemed to somewhat regain his cool when he watched Tokimori embrace his small demon and continue to make his humble apologies.

Aah, I cant stand picking on the weak. All you Yase guys are so insufferably arrogant, how did you end up such a timid demon master?

Who knows.

Tokimori muttered dejectedly. Even Tokimori wanted to know why he was born a demon master. If we could switch places with you, we would, his father had told him, but he wanted to switch with someone if he could too. Once he met Yato he felt as though being a demon master wasnt so bad, but he longed for a normal life. He wondered how carefree he would be if his days were free of demons. Since he felt bad for Yato, he tried not to think about it much.

Im Hoshiai. Demon Slayer Goutoku Hoshiai. From the looks of your age, you must be the youngest demon master in the Yase family, right? Having a badly balanced relationship is dangerous. Maybe its because your servant demon is small, but everything about you just screams inexperienced. Has no one from the Yase family given you any advice?