
Quick answer — Yuki Urushibara worked on MUSHI-SHI The Next Passage (Original Creator), MUSHI-SHI The Next Passage 2 (Original Creator), MUSHI-SHI (Original Creator) and 3 more anime.
Yuki Urushibara worked on MUSHI-SHI The Next Passage (Original Creator), MUSHI-SHI The Next Passage 2 (Original Creator), MUSHI-SHI (Original Creator), MUSHI-SHI Special: Bell Droplets (Original Creator), MUSHI-SHI OVA (Original Creator), MUSHI-SHI The Next Passage Special - Path of Thorns (Original Creator).