Birthday: December 28 Blood type: A B/W/H: 82/55/81 Reliable-type childhood friend of Kazuma Shirashi, who normally loves to take care of others. Kotoko is the neighbor of Kazu and attended the same school. She is a very nice, happy and above all very pretty girl who is not ashamed to throw himself in front of the camera for Kazu pose. She really like him and will supposedly even diary about her relationship with him. Drama CD Seiyuu: Oto Agumi (安玖深 音)