First of all, offset needs +12. Second, the hitsounding needs some serious improvement. The mapper fails to follow the song's basic drum line (seriously, HOW), those tick sounds are extremely intrusive especially on (technically) overmapped sliderends, and the sample switches are random and do not properly follow the song's structure. The hitsounding itself fails to follow the song's structure at times.
I have a few issues with both ctb difficulties which I feel should be fixed before the map gets ranked, generally issues that I have with flow on both difficulties.