Volume 1: "Fire Tripper" (fantasy, romance) A gas explosion sends high school girl Suzuko and toddler Shuu 500 years into the past. But she lost Shuu on the way, and as a result, Shuu ended up in the past 10...

A story of time-travel. Sly and cunning, she unexpectedly became a sickly noble lady whose fiancé is mercenary and demotes her to a lowly concubine. She sneers and bravely breaks off the engagement. To hell...