From Visual Novel Database:

https://vndb.org/v25936

Developer and publisher: Winged Cloud

https://www.patreon.com/wingedcloud

https://en.wikipedia.org/wiki/Winged_Cloud

Released in 8 June 2019.

Steam trading cards consist of 5 artwork, each with a different CG.

Steam profile backgrounds consist of 5 artwork, each with a different character sprite at both sides or part of a CG at one side.

Steam version consists of 23 CGs, 9 of which are re-used from Sakura MMO and Sakura MMO 2. Some CGs will change slightly and an additional 20 H CGs are unlockable in uncensored version. (43 altogether)

Game consists of 8 BGM.

Initial gameplay video with author commentary and narration on YouTube by PolishLynx

Gameplay playlist on YouTube by PolishLynx:

https://www.youtube.com/playlist?list=PLF6bMpb7g7_ScFhatVtt78f7Drqsx7vrE

Full review of game:

www.sinicalanimenetwork.com

Sakura MMO 3 is the third instalment and concluding title of the Sakura MMO series by Winged Cloud. In this fantasy visual novel with fanservice and adult content, the story continues with Kotone as the dark witch Viola in the world of Asaph. Viola has her darkling maid Neve, a thief Fion, and a knight Eleri who are part of her harem of cute girls she took in to stay with her at her castle and fellow adventurers. They embark on a quest to seek out the fallen goddess Iona who threatens to destroy

Steam store page:

https://store.steampowered.com/app/1064130/Sakura_MMO_3/

Nutaku game page (Contain NSFW content):

https://www.nutaku.net/games/download/sakura-mmo-3/

Album artist Bandcamp page:

https://zackparrish.bandcamp.com/album/sakura-mmo