tensei_mofumofu_reijou_no_mattari_ryouchi_kaikakuki
A web novel written by Aiue Iota (藍上イオタ X Account) and illustrated by Kuga Tsukasa in the light novel version.
A manga serialization is drawn by Momotips.
External links
* Light novel official website (jpn)* Manga official website (jpn)
* Web novel (jpn)