Genres:
Webtoons , Shounen , Action , Adventure , Drama , Horror , Mystery , Psychological , Supernatural ,
Summary: The Extraordinary Museum is a vast castle suspended in an upside-down subspace. After my sister vanished, I found myself as the sole employee of this place. How can I even begin to describe this feeling? Watching over the world's greatest collection of treasures, I must admit, is a bit overwhelming.
