The Girl with the Clock (sorry! on hiatus)

Hikari, a 13-year-old girl, with some sort of power- Time-travelling. She is the guardian and timekeeper of her Universe's Timeline, and she owns a clock bag, by her great-grandfather. There is one problem, some kind of glitch was trying to eradicate the timelines, corrupting her own Universe and killing everyone. Will she be able to defeat it and save the world?