Mochizuki Nayuki (Ono Kari) is a gentle and kind lady. She lost her father who ran a Western restaurant when she was in her second year of high school. Since then, she has been living for her only relative, her younger brother Riku (Iwase Hiroshi).Now, she works as an accountant for a restaurant chain where her father's old friend Ise Masakazu (Tetsuta Sugimoto) is the president. Working with her is her childhood playmate and Ise Masakazu's son--Kazuma Ise (Ryosuke Beasta).

One day, while Nayuki was waiting for a traffic light at an intersection, she saw a young man named Sakuya Kataoka (Riya Miyayo) who exuded a mysterious aura. He ignored the red light and walked directly to the zebra crossing, and was almost hit by a car.Nayuki rescued him at the critical moment.However, Sakuya smiled at Nayuki and moved on as if nothing had happened.Nayuki was puzzled by his behavior, and in the evening, Riku suddenly took Sakumi home.It turns out that Sakuya came back from the United States and wanted to eat the macaroni gratin made by the late Nayuki's father.When he met Lu by chance, Sakuya heard that Nayuki would cook the same dish, so Sakuya followed Lu to Nayuki's house semi-forcedly.Because it was a sudden visit, Nayuki said that she couldn't make baked macaroni right away, but Sakuya insisted on staying at Mochizuki's house and said that he could eat it tomorrow.

On the other hand, although Riku seemed to enjoy meeting Sakuya, he was actually surprised by Sakuya's rude and rude attitude when he met him, and asked him about his origins.Sakuya claims to be the god of death and can see the lifespan of a person.Although Lu couldn't believe it at first, he became interested in what he said...