She Used to Be My Sister and Now She Is My Wife

I had a lovely sister from my neighbor's house when I was young. She was reserved and cute when she was a child, but she started to hate going to school with me when she was in junior high school? The girl who waited for me to finish school together in elementary school is no longer there? Sometimes when she is chatting with her friends, she always gives me the feeling of not being close to strangers. The shyness of adolescence will come to an end in high school, and love will gradually sprout. Be my wife! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.