Animal Squirrel
Partner Luce
Manga Debut Chapter 351
Anime Debut Episode 142 (opening)

Cosmo is the animal partner of one of the Sky Arcobaleno and Giglio Nero Ottavo Boss, Luce. Nothing more is known about this tiny squirrel except that it sits atop Luce's head.


  • In volume 37 extra, Yuni said that Cosmo should still be alive somewhere, but she doesn't know where.

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