An is a cheerful, outgoing first-year at Kamiyama High School who also works as a hall monitor. She's the daughter of Ken, who's performing at the "RAD WEEKEND" event. Originally a solo street performer, An eventually asked Kohane to team up as her singing partner. She's generally upbeat and lively, though she can be quick to anger—fans often note the contrast between her sunny personality and occasional hotheaded moments.
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