Dive 200 meters beneath Tokyo Bay and discover a whole new world beneath the waves!
Two hundred meters beneath Tokyo Bay sits Magmell, a one-of-a-kind aquarium where visitors can experience the strange and fascinating creatures of the deep sea. Kotaro, a shy young man with a lifelong passion for deep-sea life, starts working at the aquarium as a cleaner and discovers a place where his curiosity can finally become a career. As he learns from the aquarium's staff and encounters incredible creatures, Kotaro grows in confidence while uncovering the mysteries of the ocean and the people who dedicate their lives to protecting it.