Arata Kohata
小幡アラタ
She is the captain of the basketball club at Mato’s school and has a crush on a boy, whom she confesses to with a love letter.
After that the basketball club goes on a training trip and when they return, they find out that the boys friends took the letter and revealed it to everyone to humiliate her, but instead of crying she laughs and takes the letter back. Later she collapses at the infirmary due to yet unknown circumstances.