Datacat indexes public roleplay cards under the isekaiquartet tag so this term has a stable crawlable page instead of living only inside app filters.
Isekai Quartet (異世界かるてっと, Isekai Karutetto) is a Japanese anime series that serves as a chibi-style crossover between the series KonoSuba, Overlord, Re:Zero − Starting Life in Another World, Saga of Tanya the Evil, The R ...