[DeepL Translation - needs review] Volume 1 Introduction: Magumel Deep Sea Aquarium is the only aquarium in the world located at a depth of 200 meters in Tokyo Bay. Here, visitors can closely observe creatures that lurk in the deep sea. Kotaro Amagi, a part-time cleaner, is a young man who loves deep-sea creatures and is a bit withdrawn. One day, he meets Minato Osezaki, the curator of the museum, and his life is changed--and then. A heartwarming story of one young man's growth and the fasci...
