Author: 坂石遊作 | Sakaishi, Yuusaku Yusaku (varies in spelling at different sites) | Twitter | Narou | Kakuyomu | Author of The Holy Knight's Dark Road
Illustrator: みわべさくら | Miwabe, Sakura | Twitter | Pixiv | Home Page
Publisher: Hobby Japan Novels
Light Novel Volumes: 5 through 2023/02/01 (Volume 5 releases on that date) (The WN only had two volumes at Narou & Kakuyomu, so it's anyone's guess how many the LN will end up having.)
Manga: Yes! Started publication 2021/07/02 on Comic Fire.
Wikipedia | JP MAL
This one has a manga adaptation now. I am 10 chapters into web novel and its pretty nice. So far it has not been like super smutty. Adult yes, but the adult act is not the main purpose of the writing but more like a cherry on top of a cake.