Samurai from Inazuma (Genshin Impact fanart)

The fanart of Genshin Impact (game). The character in red doesn't have an official name, but the fandom calls him Tomo. In the artwork, he fights with a Raiden Shogun's guard.

This is a fanart of the Kaedehara Kazuha's friend (or Tomo) from Genshin Impact. He was shown only in one cutscene but still is loved by many fans.