As Tracen Academy's entrance ceremony arrives, the prestigious institution welcomes many new horse girls. That includes Kitasan Black and Satono Diamond, who aim to join the same team as their respective icons, Toukai Teiou and Mejiro McQueen. Joining the team is only the first step for them, as Kitasan Black and Satono Diamond strive to leave a mark on the whole Twinkle Series. [Written by MAL Rewrite]