A pretty girl who Ib and Garry meet in the mysterious art museum.
She has blond hair and blue eyes, and wears a green one-piece dress with a blue ribbon scarf. The color of the rose she carries is yellow.
She has a friendly and innocent personality, and likes cute things, delicious things, and playing like any other normal little girl.
She joins up with Ib and Garry in order to escape the art museum, but...
Mary is a character whose most popular events are all spoilers.
If you revisit the previous rooms in the museum after Mary joins the party, you can trigger a number of new events.