(Japanese: 究極進化したフルダイブRPGが現実よりもクソゲーだったら, Hepburn: Kyūkyoku Shinka shita Furu Daibu RPG ga Genjitsu yori mo Kusogē Dattara), is a Japanese light novel series written by Light Tuchihi and illustrated by Youta.

Media Factory has published four volumes since August 2020 under their MF Bunko J imprint.

An anime television series adaptation by ENGI aired from April to June 2021.

It ran from April 7 to June 23, 2021 on AT-X, Tokyo MX, SUN, KBS Kyoto, and BS11.

[17] On June 8, 2021, Funimation announced that the series would receive an English dub, which premiered the following day.