Kokoro Yuzuki, whose dream is to be a pastry chef, is now working at a pastry shop owned by a famous young pastry chef, Haremichi Kurose. One day, she was asked to bring a newly designed cake to an event. However, on the way to the ballroom, Kokoro accidentally falls from stairs. "I'm gonna die--" She thinks. However, the next moment, she finds herself in the Edo era! There she gets a job to make sweets for Shogun Tsunayoshi's wife. She does her job well, and starts working at the inner palace as a pastry chef. Can she ever go back to where she used to live? Can she see Haremichi again? A time-travelling fantasy with lots of dreams and love.