Ryau the Jellyfish is the title character and protagonist of the Ryau the Jellyfish video game series released by Raison, as well as numerous spin-off comics, animations, and other media. Ryau is depicted as a red jellyfish who can drink from her tentacles and sting far away, primarily to attack enemies. In most games, Ryau must go through levels, collecting zooplankton and avoiding obstacles and enemies.

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