A childhood friend of Yuu Haruna's. When they were in elementary school, she became a famous singer with a CD topping the charts in one week. She tries to contact Yuu through Twitter.
After Yuu moves to Tokyo and starts high school, they meet again when... She finally confesses the feelings she's held for him since childhood, but gets rejected. During one of the times they meet up after the confession, a girl catches them together and takes a picture of them, posting it on Twitter.
She is voiced by Saori Hayami.