Colette an overworked apothecary finds romance and a new lease on life—in the underworld!!

When exhausted workaholic apothecary Colette jumps into a well instead of dying she finds herself caring for a new patient: Hades Lord of the Dead. As Colette goes back and forth between her world and the underworld new patients of every kind arrive daily!

After some tough-love training by the entire Underworld the otter apprentice Kotsume faces his final test! Can he recover his position as a servant of Poseidon? Later a near kiss from Lord Hades leaves Colette in confusion!