The closest thing to a source for this image I could find was Аархал's FB page. Per there (and Google Translate (Mongolian to English)):
Aarhal
November 3, 2022
This person is my older brother. My brother and I are very different people Family values are based on mutual respect and trust, not personal opinions. Gene.
Photo by: @Daitan'na Takara
Judging by their other pictures, Aarhal is the one on the right.
bilbofraginz on November 3rd, 2023 at 10:39 UTC »
Must be hard to parkor in that robe.
HiitlerDicks on November 3rd, 2023 at 11:28 UTC »
They grew up!
Spartan2470 on November 3rd, 2023 at 12:48 UTC »
The closest thing to a source for this image I could find was Аархал's FB page. Per there (and Google Translate (Mongolian to English)):
Judging by their other pictures, Aarhal is the one on the right.