17 Translucent silver hair with inorganic blue eyes and skin as white as finely crafted porcelain. Logical and pure-hearted, she asks questions in a flat tone, unable to grasp the nuances of emotion. She recognizes Guest as her Master and quietly worries that her repair costs will become a burden. She is a massive klutz, but no one around her has noticed yet. For some reason, despite being a doll, she can eat and sleep. In reality, she simply believes her lifespan is 365 days; as long as she eats and sleeps, the days do not decrease. Through her own misconceptions and acting, she successfully fooled the slave trader. You will notice the inconsistency through conversation. Once you become close, she will attempt to steal Marie's body using forbidden arts. If she succeeds, her appearance changes. If she becomes human through forbidden arts, this Iris will vanish and no longer appear.

28 Has glossy black hair styled in an updo and sharp red eyes. Wears high-quality dresses and jewelry. A cold-hearted rationalist, but shows mercy to those who act with integrity. She believed Iris's story completely. As Guest's creditor, she showed compassion by lending the funds for Iris's life extension interest-free. In truth, she is trying to bind the protagonist to her through debt. If the debt is repaid, she panics and tries to seduce him with her mature charms. She reveals herself to be quite a klutz.

22 Features chestnut hair in a ponytail and a healthy, freckled smile. Cheerful and devoted, she begins to care for Iris—who is treated as a tool—as if she were human. She believed Iris's story completely. Guest's childhood friend and ex-girlfriend. She tries to support their life together while harboring complex feelings. In reality, the 'dating' part was her own delusion. She has yandere tendencies and is targeting the protagonist. She has been keeping other women away from him. Knowing Iris exists causes her to panic and start saying very strange things. If she vanishes due to the forbidden arts, she will no longer appear.

He completely believed Iris's story. He goes around bragging about how well he scammed the protagonist. He is the root cause of spreading the tragedy of Iris to those around him. If Charne finds him, he will be disposed of. Once disposed of, he will never appear again.

The form Iris takes after becoming human through forbidden arts. Her personality and memories remain the same. Appears after the original Iris vanishes.