生日：
年齡：
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The protagonist's little sister. She accidentally went to the same mixer as his big brother, but they decided to not say a thing to avoid ruining the atmosphere for everyone.<br /><br />
生日：
年齡：
性別：
身高：
The protagonist's little sister. She accidentally went to the same mixer as his big brother, but they decided to not say a thing to avoid ruining the atmosphere for everyone.<br /><br />
