Also, the series ordering needs to be changed. The above is the book 1, while the other books already there in the series are single issues so they don't need numbering.
In instances like this where an omnibus is published, we don't remove the numbers of the works that make up the omnibus. Instead, in this case, we number the omnibus #1-5, i.e., "Madly Ever After (I Hate Fairyland, #1-5)".
Please add the book I Hate Fairyland, Vol. 1: Madly Ever After
Also, the series ordering needs to be changed. The above is the book 1, while the other books already there in the series are single issues so they don't need numbering.