Character from Umamusume.
The original horse's name wasn't named because he had a black or brown coat (he was a simple bay) but because he is named after his sire, Black Tide, an older full brother to the much more successful Deep Impact.
A cheerful and energetic girl who innocently takes up any challenges. She looks up to Tokai Teio and idolizes her. Her general motif is based on japanese festivals.
In the anime, she was a supporting character during Season 2. She would later become the protagonist of Season 3 and a member of Team Spica.