Ayano dies of an illness. Shintaro finally gets over her death yet when he does, he meets a girl who looks and behaves exactly like her. Who is she?

"Tateyama Ayano!"She flinched and looked up quickly when she heard her name was called out by the tall mall, her teacher.      As the brunette walked up to the rows dreadfully, she thought of results she usually got on tests. They were never above 70's. She sighed as she stopped next to the desk.

This story was a middle school thing, it's so fucking cringey.