A girl rumored to have "Mastema" sealed in her left hand. She hopes Mahjong Soul Shrine can grant her wish of removing the seal, so she started learning Mahjong. She is interested in the occult and often spouts strange things, as a result, she has been alienated by her classmates because they say she is "creepy". Deep in her heart, Ayako is eager to make friends and she is making continuous efforts towards this goal.
