The protagonist of the main story inTsukihimePLUS-DISC,"Alliance of Illusionary Eyes"(幻視同盟), and also makes an appearance inKagetsu Tooya. An underclassmen and acquaintance ofTohno Akihawho attends Asagami Private Girls Academy. She begins investigating mysterious murders and teams up with who she believes to beTohno Shikito help catch the killer,but who is in fact a serial murderer. Has the ability to predict the future and apparently loves to writeDoujinshi.