One day you fell asleep strangely and woke up in a cafeteria called "Nowhere", which exists beyond the material world you are used to.
A girl with wings, part-time local barista, appears as an angel and decides to change your status from "Unemployed" to "Catcher".
Now you have to hunt down demons that hide in the cracks of people's souls. Otherwise, your existence will be erased.
How did this happen?!
Sim and management: you live an everyday life confronting routine problems while trying to hunt down demons in people's minds
Your time is limited, every time you miss a day or week, demons might become stronger
A girl possessed by Demon has another shadow personality you have to deal with
Various mini-games are used for stats increasement and catching and fighting demons
Nonlinear storytelling, where your choices are a part of your demon-fighting strategy and affect the story