Shione Unno

Оригінальне ім’я: 海野潮音

Shione has a crush on Takuma, and most likely they used to/do go out together. However recently he hasn't been paying any attention to her so she decides to hit on Ayumu in order to make Takuma jealous. She also dislikes Miki. [martino's note: her last name might be "Umino", not sure on this one]