How about a new 4K guest difficulty by xsjcTony (not me, is a friend of Chinese StepMania community), the beatmap from the StepMania pack "Overloading Stamina training megapack S" and convert by me within permission of original author.
Beatmap here:
http://puu.sh/kEea2.osu
Hitsounds are by myself (uncheck "Ignore beatmap hitsounds" in options or visual settings).
Beatmap here:
http://puu.sh/kEea2.osu
Hitsounds are by myself (uncheck "Ignore beatmap hitsounds" in options or visual settings).