I Was Reincarnated as the 7th Prince So I Can Take My Time Perfecting My Magical Ability 9 (manga)

The Advent Festival, which celebrates the birth of God, has arrived. And with it, the revelation of the identity of the mysterious priest behind the sickening chimeras has shocked the people of Saloum! Every able hand is called to battle this crisis, with Grim and Jihriel rushed back to the surface, Sylpha fighting without a sword, and Babylon cornered with enemies on all sides. How will they escape...?