Magic Mirror Space.
"The battle has already begun, divided into the upper and lower battlefields. The protagonists are undoubtedly the projections of two gods, but under multiple states of weakening, they are probably no longer able to display divine miracles."
"The upper battlefield is the "Sky", with the main characters being the Genji Clan siblings and Higashikawa Noshimori, fighting against the Dog God and Tengu."
Chapter 346