One day , while being bullied , she feels a sharp pain in her hand .
Rin ( Yumi Sugimoto ) , a young high school student , is an unassuming and awkward girl who is bullied at school .
One day , while being bullied , Yumi Sugimoto feels a sharp pain in Yumi Sugimoto 's hand .
Rin ( Yumi Sugimoto ) , a young high school student , is an unassuming and awkward girl who is bullied at school .