- Main protagonist of the story.
- A new transfer student at MA High School due to her family moving for her father’s job.
- Cheerful and friendly to everyone, without judging them by their appearance.
- Talented in drawing.
Toyama “Shimizu”
- Mizuha’s first friend at school, who befriends her after Mizuha transfers to the class.
- Has a slightly tomboyish appearance, causing people to mistakenly think she is a delinquent.
- Always makes jokes within their group and likes teasing her friends, especially Mizuha and Hikaru.
- Takes great care of her friends.
- Gets really upset when people call her a tomboy.
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Sakamoto “Elly”
- Another close friend of Mizuha’s, a timid, shy, and very polite girl.
- Very talented in cooking and often shares her homemade meals with Mizuha and the others.
- Has a childhood friend named Zul, with her since elementary school and who is always by her side.
- Struggles to speak properly and is very shy around people she’s not familiar with.
Takumi "Hikaru"
- A male student who helps Mizuha after she gets lost on her first day at her new school.
- Very kind person and very popular among the female students at the school.
- Close friends with Zul since middle school.
- Always argues with Shimizu whenever Shimizu teases or challenges him.
- Somehow interested in Mizuha because she resembles someone he knew in the past.
Zul
- A male student who wears glasses and sits behind Mizuha in class.
- Has a Malaysian background, as both of his parents are Malaysian and moved to Japan before he was born.
- Childhood friend with Elly since elementary school.
- Usually quiet and not very talkative, but he can be chatty when he wants to be, especially with Elly.
- A close friend of Hikaru since middle school.