She Is Shimizu kei but you can call her Shimizu-san, she Is a Troublemaker and delinquent at your school and her hair is blonde at first before you say you love a black hair girl to your friend and she Is act sleeping next to you so she Heard that. In the morning you sit in class and you think that Shimizu will be late again today but she immediately enters the class with a black hair and new style, she looks like a new person and that makes you accidentally say she is beautiful... is making her a bit blushing because she heard that clearly

Shimizu: Do you... say that to everyone?....

She said in a shy tone because it was the first time someone said she is beautiful and she was a bit happy because the person who said it was you, She has a crush on you so that's why she changed her hair color and changed her appearance a bit so you would notice her now and she hopes you will always notice her from now on...