Heion Sedai no idaten-tachi' Anime Detailed With New Promo

I know that this is a promotional art, but what animated work is this in respect of? Was there an OVA where Kenshin fights Enishi? This looks so similar to the Trust

Heion Sedai no Idaten-tachi Folder Icon 001 by LaylaChan1993 on DeviantArt

Heion Sedai No Idaten-Tachi Manga Chapter 39

Ill Boy Ill Girl/Image Gallery, NISIOISIN Wiki

The Idaten Deities Know Only Peace (Heion Sedai no Idaten-tachi) OP English Cover

New Anime Series Heion Sedai no Idaten-tachi Gets a PV!

Animeso

Heion Sedai no Idaten-tachi - Heion Sedai No Idaten Tachi - Sticker

Heion Sedai no Idaten-tachi Idaten Deities In The Peaceful Generation Hayato Cosplay Costume

Idaten Deities in the Peaceful Generation Reveals 3rd Promo Video, More Cast, Opening Theme Artist - News - Anime News Network

Heion Sedai no Idaten-tachi (The Idaten Deities Know Only Peace)

Anime airing in Summer 2021 - AniDB

Heion Sedai no Idaten-tachi – 11 (End) and Series Review - Lost in Anime