It sounds like you didn't actually repartition with Boot Camp. Re-run the Boot Camp Assistant and it will almost certainly only show one partition (a 100GB drive will show up as around 95GB because ...

If you are a Mac Boot Camp user and ever wished you could easily re-allocate free partition space between Mac and Windows, Paragon software’s latest offering may be just what you’ve been looking for.

My TM partition needs about another 20GB of space, the 50GB partition I made for it isn't cutting it. The drive has two partitions, the second is mostly empty. Can the partitions be expanded/reduced ...