A girl named Ib, visits the art gallery with her parents, after contemplating different works made by the famous artist, Weiss Guertena, she notices that something had changed. *Based on the horror game "Ib", all the names of the characters are given credit to Kouri.

Aya is a ten year old girl living in a huge mansion with her secretive father where he works with his experiments. But ... What's the fathers experiments? Suddenly he is taken away by a mysterious figure, and Aya must find him. During the search, so she meets the strange creatures in the mansion, and finds more about her father's experiments, while also learning more about reality.