自分と、触れた相手の余命が見えるシャリアーゼは皇太子との婚約誓約書に署名した途端、残り70年あったはずの余命が10年に!? 婚約解消の手続きを取ろうとしたら自分だけじゃなく親族の余命までもが減ることに... こうなったら婚約者の立場のままで余命を取り戻す方法を探り出すしかない! 余命奪還ミステリーラブコメディ、ここに開幕!! Chaliaze, who can see the remaining life expectancy of herself and anyone she touches, signs an engagement vow with the Crown Prince, but her life expectancy, which should have been of 70 years, is reduced to just 10!? When she tries to take steps to dissolve the engagement, it turns out that not only her own life expectancy will be reduced, but that of her relatives as well... Now she has no choice but to find a way to get her life back while remaining as his fiancé!
Chapter 18