Daehyun and Youngjae are cats. Daehyun is a grey cat while Youngjae is a ginger cat. They were adopted at the same time from different corners of the pet shop.

Daehyun is an active cat, often getting into trouble.

Youngjae is an obedient cat, praised for his cuteness.

Did I mention that Daehyun is especially obsessed with Youngjae?