Ayano's a yandere. She has a crush on a boy called Taro Yamada. She's very devoted, and she'd do anything for Taro, including killing. She frequently stalks the students, mostly Taro and her rivals. She doesn't care about pain, and she doesn't mind killing.
Taro's a loner. He has a crush on Osana Najimi. He's best friends with Haruto Yuto, and pretty much friends with most of the other boys except Ryusei Koki, he's also good friends with Osana Najimi and Yuna Hina. He's very popular and many girls have a crush on him. He's very kind and enjoys nature more than people.
Info-chan's a really perverted girl. She sells panty shots to boys in exchange for money, but only to help her father get out of debt. She's close friends with Kokona Haruka, and they're sisters. Info-chan's a tsundere, she's mean on the outside but loving on the inside.