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A prideful Umamusume character with a motto of "Sirius the one brightest star". Her desire is to dominate even global competition. She's brash and foul-mouthed, but how she's got real skills to back up her immense confidence endows her with a charisma of her own. Furthermore, she would never lie thanks to her dislike of dishonesty and underhanded means. Hence, she's naturally charming. She calls her Trainer Puppy
Profile
“Just shut up and watch! I'll come out on top before you know it!”
―Sirius Symboli
- Nakayama Festa - Roommate
- Symboli Rudolf - IRL Step Uncle (?), Rudolf's sire and Sirius's grandsire is Partholon.
- Tokai Teio - Nephew
- Tsurumaru Tsuyoshi - Nephew
- Mr. C.B.
- Maruzensky
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