Kyouko Misawa

Height: 170cm

Based on her interactions with Haru, she is a loving person who thinks about others instead of herself. Unlike her brother, she's kind, patient and wise, all which benefited Haru's emotional and mental well-being. She's more concerned about Haru living his life than being smart to impress her. Again, unlike her brother and her sister-in-law, she was Haru's emotional support. She was disowned by her family because she eloped.

(Source: tonari-no-kaibutsukun.wikia.com)