The Abandoned Rabbit Knight's New Mate: His Grand Priest

Isaac, a cursed knight bearing rabbit‑type holy stigma, is cruelly discarded by his high‑compatibility priest. He meets retired Grand Priest Caleb with a shattered holy core and awakens an unparalleled healing power. The secret Black Alchemy Society brews sinister plots and deadly experiments. Framed and cornered, can the pair unveil the dark conspiracy and guard their fated bond against all odds?