"After finding a broken beaker in the science lab, Kazuko finds herself back in her own past and learns she can travel through time, but her attempts to use the ability to help others always change the future and may bring bad consequences."--Amazon website
"Kazuko is a high school senior who has no idea what she wants to do in the future. Alone one day after school, she discovers a broken beaker in the science lab. She smells something sweet in the air, passes out, and finds herself transported back to her own past! Will Kazuko use her ability to travel through time wisely or selfishly?"--Publisher's web site