When you put on loafers

Rinne Miki is a normal first year's high school girl who loves fashion and is close with her friends.
But, she has a caring personality too, so though she has opposite-sex friends, that never became romantic, and she lived her life without romance.
But, on the day of the school festival, she meets Toma, a boy with a slightly mysterious atmosphere to him… though she's bewildered by how aggressively the younger boy approaches here, gradually, she starts to see him as…?