|Hair||Brown, Long, Straight|
|Clothes||Hair Flower, Knee-high Socks, School Uniform|
|Personality||Altruistic, Emotional, Religious|
|Visual novels||Main character - Bunka no Kenkyū -Revival of Queen Leyak-|
Ida Ayu is an eleventh grade student and a classmate of Tetsuo's. Her family has kept Balinese traditions alive in the town for many generations, and she seems to have a deeper connection to Queen Leyak's Necronomicon than she is willing to let her classmates know.