Ichiko Ima is a Japanese manga artist.

She is known for her long-running horror manga series Hyakkiyakō Shō, serialized since 1995. Blending Japanese folklore with lyrical storytelling and subtle social critique, the series has been critically acclaimed. Ima's work is noted for its delicate visual style, gender-fluid characters, and feminist reinterpretations of horror. She is also an established author in the boys’ love genre.

Miaka is destined to gather the seven Celestial Warriors of the god Suzaku in order to summon Suzaku and obtain three wishes. She falls in love with the Celestial Warrior Tamahome, who eventually reciprocates and Miaka's desire to use a wish to enter the high school of her choice begins to shift towards finding a way to be with Tamahome.

Yui is also drawn into the book when she tries to help Miaka to come back to the real world; becoming the Priestess of Seiryuu, working against Miaka out of jealousy over Tamahome and revenge for the humiliation and pain she had suffered when she first came into the book's world.