|Name (Kanji)||神田 優子|
|Name (Romaji)||Kanda Yuuko|
|Voiced By||Ogura Yui|
Yūko Kanda (神田 優子 Kanda Yuuko?) is Sorata's little sister, who is currently attending 9th grade. She has a brother complex and even lied to her mom, so she could just meet with her brother, Sorata. She has also a complex about her flat chest and feels jealous as it is shown towards Mashiiro and Nanami.
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