Re:ZERO -Starting Life in Another World-, Vol. 21 (light novel) (Volume 21) (Re:ZERO -Starting Life in Another World-, 21) Paperback – March 21, 2023

Just completely skip this 1st filler arc. It's all fanservice and no beastmen nor Ricardo. Ricardo should've joined with Ana and co., which makes a lot of sense to finish the Anastasia Camp focused stories. Leaving him out feels & looks unfinished.