Is Echizen Ryoga Yue Qianma's brother?

Not a brother. Here is a brief introduction:

Name: Echizen Ryoga.

Nickname: orange boy English name: Wing

Identity: There are two official accounts. One theory is that it was found in an orphanage on the road, but it is more credible that it is the son of a brother in Minami Jiro. Otherwise, how can it be so similar to the dragon horse? Dark green hair color and amber eyes are the biggest cuteness points.

Seiyuu: Yuta Yamazaki; Name of mound (platform)

Age: 15 to 17. It's the same as or even bigger than the junior high school, but the experience is completely different. You can't tell your real age from the appearance.

Height: 177CM Weight: 52KG Birthday: May 22nd Constellation: Gemini weakness: ticklish like type: people who love to laugh and understand, and can guide and enlighten themselves if necessary.