Otto & harby - Treasure of the aquarium is a warm and exciting comic about friendship, courage, and the search for a treasure that turns out to be something entirely different from what was expected.

When the adventurous otter Otto hears rumors of a secret food treasure hidden inside the Atlantic Ocean Park, he does not hesitate for a second. Together with his cautious friend Stein, he sets out on a daring mission.

As they journey through the depths of the aquarium, they encounter challenges, surprises, and strange creatures along the way. But the closer they get to the treasure, the more they discover what truly matters.