Robin's Song is a member of the New Earth Hegemony and the older brother of Morning's Observation . He holds some kind of position of authority within the Hegemony, although his precise place in the hierarchy is unclear.
Appearance
Robin's Song closely resembles his brother, Morning's Observation, with Austin mentioning he could be potentially be his twin. However, his face is un-tattooed, and his hair is bleached blond. He has noticeably good teeth.
History
Robin's Song first appears in person as part of Sui Juris, the secessionist group led by Open Metal. He has no real interest in positive change for the citizens of the By-and-By, however - he is simply using the group as a means to accomplish the New Earth Hegemony's goal of breaking up the Divine Fleet.
This section contains spoilers for Twilight Mirage 26: The Miracle of the Mirage: The Heist.
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During the rescue of the Cadent Under Mirage, he is killed by Tender Sky, using Shoghig Salon's sword.