The Saint’s Magic Power is Omnipotent: The Other Saint (Manga) Vol. 4 - Release Date: 7/2/24

THE FINAL VOLUME OF THE SAINT'S MAGIC POWER IS OMNIPOTENT! SPINOFF!Now that the experiments with the holy water were completed successfully, Aira returns to her normal work. However, she’s once again sent out on a subjugation mission that requires the holy water. Aira travels to a new region—where someone awaits her...The final volume! 
(W) Yuka Tachibana (A) Aoagu (CT) Yasuyuki Syuri 
Page Count: 212