She is a mysterious entity that appears in the form of Karin, and only Kenta can see her outside of dreams.
When someone is bitten by Karin, a part of her essence is transferred into that person.
In their dreams, she manifests as the person who is most significant to them.
She is the younger sister of the Akuma twins and shares her name with Shizuki, the elder twin, for reasons yet unknown.










