Serenity

Serenity (セレニティ, Sereniti) is a kingdom of planets ruled by the Serenity Royal Family and inhabited by the descendants of the earliest pre-FTL colonists. The system is known for the long reign of the royal family, and for it's wealth and power.

Wanted Arc (Novel-Only)
When the Bentenmaru crew were wanted after being framed by Rakion, Gruier and Grunhilde arranged for them to stay in the Serenity system under a pretense.

Serenity Royal Family

 * Simsiel Serenity (archduke, grandfather of Gruier and Grunhilde)
 * Gruier Serenity (7th princess)
 * Grunhilde Serenity (8th princess)

Serenity Defence Forces

 * Maracot-class battleship
 * Queen Serendipity (flagship)
 * Talbot-class battleship
 * Corback-class escort ship

Locations
There are 7 colonial planets known to be ruled by Serenity. They are referred to as the 7 jewels.

Twin planets

 * Blue Sisters, Serenity Star system
 * Elizabeth Dock: The space military dock serving as the command centre of the Serenity Defence Forces, in orbit around the Blue Sisters.
 * Virginia area, Blue elder sister
 * Virginia Palace, Virginia Mountains: a.k.a. Summer Palace, built with the motif of the mythological fortress of the first clan of humans. It is the biggest palace of the Serenity Royal Family.
 * First Virginia space port: Where the first settlers landed, currently a port used by the Serenity Royal Family.
 * Turquoise Brothers

Single Planets

 * Red Father
 * Indigo Mother
 * White Child