From Visual Novel Database:

Crimson Spires | vndb

Developer and publisher: Woodsy Studio

Visual Novels by Woodsy Studio (woodsy-studio.com)

Released in October 2020.

Game contains 28 CGs altogether.

Initial gameplay video with author commentary on YouTube by LizLaughLove

LizLaughLove's Crimson Spires video playlist:

www.youtube.com

Do you like serial killers and vampires? How about weird mysteries and religious trauma? Well I’ve found a game for you!

Full review of game:

Crimson Spires - Review (sinicalanimenetwork.com)

Steam store page:

https://store.steampowered.com/app/1292520/Crimson_Spires/

itch.io game page:

Crimson Spires by Woodsy Studio (itch.io)

Switch store page:

https://www.nintendo.com/store/products/crimson-spires-switch/

PlayStation store page:

https://store.playstation.com/en-us/product/UP2005-PPSA03568_00-CRIMSONSPIRES000

XBox game page:

https://www.xbox.com/en-US/games/store/crimson-spires/9pkkswj62qnn