The Sky Garden of Babylon (バビロンの「空中庭園」 Babiron no "Kūchū Teien"?) is one of the nine legacies from the foremost genius Professor Babylon which is created approximately more than 5000 years ago before being found by Touya Mochizuki.[1][2] It was created using the technology of the Ancient Civilization Paruteno (古代文明パルテノ Kodaibunmei Paruteno?). It is the first piece of Babylon to be discovered by Touya Mochizuki.


The Sky Garden was created as a hobby by the professor and a android named Francesca was employed to manage everything within the garden.[2] It is called as sky garden because it is floating in the sky and has four Paruteno Dome which granted the garden invisibility. The garden itself resembles a botanical garden that was enchanted with durability and sustainability which minimizing its maintenance. According to Francesca, some people used to call the Sky Garden as Nirai Kanai (ニライカナイ Niraikanai?). Because of the peaceful and relaxing atmosphere created by the garden architecture, it used as a place for healing one's mind.

The Sky Garden happened to encountered other Babylon around 3028 years ago with The Library and 985 years ago with The Warehouse.[3]

Touya accesses the garden, through a portal in the underwater Niruya ruins, located on a remote island near the southernmost island in the Eashen territory.


  • The epithet given to Sky Garden, Nirai Kanai, is based on the Ryukyuan religion. It is a place where gods take crops and farming tools for their people.
  • It became their primary method of transportation when Touya's Gate spell could not be used.


  1. Web Novel Chapter 9 #64
  2. 2.0 2.1 Web Novel Chapter 9 #65
  3. Web Novel Chapter 9 #66


Structures of Babylon
Piece: Sky Garden  •  Workshop  •  Alchemy Building  •  Hangar  •  Rampart  •  Tower  •  Library  •  Warehouse  •  Laboratory
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Affiliation: Touya Mochizuki (Owner)  •  Regina Babylon (Creator)  •  Brunhild Dukedom
Frame Gears: Types of Frame Gears
Babylon Sisters
Member: Francesca  •  High Rosetta  •  Bell Flora  •  Fred Monica  •  Pure Liora  •  Pamela Noel  •  Iris Fam  •  Lilly Parshe  •  Atlantica
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Affiliation: Touya Mochizuki (Master)  •  Regina Babylon (Creator)  •  Brunhild Dukedom
Frame Gears: Types of Frame Gears
Brunhild Dukedom
Monarch: Touya Mochizuki  •  Linze Silhoueska  •  Elze Silhoueska  •  Yae Kokonoe  •  Yumina Ernea Belfast  •  Leen  •  Sushie Ernea Ortlinde  •  Lucia Rea Regulus  •  Hildegard Minas Restia  •  Sakura
House of Mochizuki: Karen Mochizuki  •  Moroha Mochizuki  •  Kousuke Mochizuki  •  Sousuke Mochizuki  •  Karina Mochizuki  •  Suika Mochizuki  •  Takeru Mochizuki  •  Regina Babylon  •  Paula  •  Laim  •  Lapis  •  Cecile  •  Renne  •  Julio  •  Claire
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Alliance: Kingdom of Belfast  •  Kingdom of Mismede  •  Rifurisu Empire  •  Regulus Empire  •  Ramisshu Theocracy  •  Kingdom of Lihnea  •  Restia Knight Kingdom  •  Federation State of Rhodomea  •  Xenoas Demon Kingdom  •  Eashen
Locations: Silver Moon Inn  •  Fashion King Zanac
Group: Babylon Sisters  •  Four Divine Beasts  •  Bride Conference  •  Elite Four