Stella Crowley, a sickly young lady with only a short time left to live, is about to have her home taken over by her stepmother and stepsister. However, just before she dies, Levi, the Grim Reaper, suddenly appears and she makes a contract to extend her life by three years! The price for her extended life is to entertain him, and the contract method is an unexpected one - a kiss!? Stella is determined to find a trustworthy husband in the limited time she has, have a child, and protect the Crowley Marquis family, so she works hard on her search for a husband, but for some reason, Levi, the Grim Reaper, gets in the way...!? What's more, her childhood friend, a knight, and the third prince are also approaching her...!? But they all fall outside her criteria...! A time-limited love story that begins with a kiss, between a young lady with only a short time left to live and a Grim Reaper boy