Kasane Toudou
藤堂 かさね （とうどう かさね）
She is Tsumugi's little sister and Ayumu's classmate. Kasane is called "Fast-ears" because she knows about everything in the town.
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A Bridge to the Starry Skies
SUPPORTING TV -
A Bridge to the Starry Skies OVA
SUPPORTING OVA -
Hoshizora e Kakaru Hashi
SUPPORTING MANGA
