Crush has got a whole lot of love for his pet dog, Duyu!

On the March 24 episode of the SBS variety program 'Master In The House,' the R&B singer was talking to the dog owners among the main cast about their pets when Yang Se Hyung playfully asked him if he ever wrote a song about his dog before. The cast was surprised to find that the answer was actually 'yes'. 

"I have a song called 'Woo Ah,'" he began. "It's a song I made when thinking about Duyu."

A closer look at the song reveals that the lyrics, which seem to be describing a certain woman with "white skin, a cute nose, and silky hair" that warms Crush's heart when he can hold her, can actually be applied to Duyu as well.

Meanwhile, Duyu also appeared as the main character in Crush's music video for "Outside," his 2017 single with rapper Beenzino.