The Girl Who Leapt Through Time v01 (2004)

The manga adaptation of the acclaimed anime film! Makoto Konno is having one of those days. While performing an errand for her mother, Makoto loses the brakes on her bike and barrels headlong down the street into an oncoming train. This would have been the capper for a horrible day, but for some reason something strange has happened. Time has suddenly stopped and moved her backward! With every successful leap Makoto somehow alters the fate of those around her and discovers the most wonderful secret in her young adult life.