Ryuuguu Tower
Japanese 竜宮塔
Romanized Ryūgū-tō
Type Restaurant
Location Unknown
Affiliation Mami
Debut Appearance
Manga Chapter 212 (mentioned)
Anime Episode 126 (mentioned)
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Ryuuguu Tower is a legendary undersea restaurant owned and managed by Mami the "Undersea Restaurant Pioneer" where he makes the best seafood in the world. Its exact location is unknown.


After the fall of the Meteor Spice caused a heavy loss of resources for the Human World, all restaurants (and presumably Ryuuguu Tower) were forced to serve Food Tablets until the food crisis could be resolved. After the successful revival of the Billion Birds and their mass distribution, all restaurants were able to serve real food on their menus once again.


Mami's Full Course Menu

Empress Tuna Sashimi

Known items on the menu:

  • Maple Tuna Carpaccio
  • Ryuuguu Clam Soup
  • Creamed Flower Salmon
  • Deep Sea Mammoth Grill
  • Empress Tuna Sashimi
  • Snow Shrimp Potato Salad
  • Sugar Jellyfish Jelly
  • Red Tide Wine


  • Ryuuguu Tower is a reference to "Ryūgū-jō", an undersea palace mentioned in the Japanese legend of Urashima Tarō.

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