Tsugano Gaku Libri

"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

「ズバリこれは大事件ね!」SOS団に舞い込んだ、とある依頼。それは行方不明になったコンピ研の部長を捜し出すというものだった。自信満々に安請け合いしたハルヒと共に、捜索に向かうSOS団の面々。だが、解決の糸口は思わぬところにあるもんだ。ハルヒが作ったSOS団マークが、全ての原因だったとは...。「ミステリックサイン」「孤島症候群」などを収録。