Ritsu and Fumiya met at an old coffee shop and eventually fell in love. However, a misunderstanding arises between Ritsu and Fumiya. After a fight, Ritsu leaves the house and is involved in an accident, losing only the memory of Fumiya.

Mizuki, a retired marathon runner with limited social skills and no experience in love, struggles to adapt to her new job at a high-end hotel due to her lack of customer service skills. Her life takes an unexpected turn when she meets Kaji, a charming dessert chef at the hotel known for his womanizing ways. After a frustrated Mizuki lashes out at him, Kaji surprisingly enlists her as his taste tester, potentially setting the stage for a sweet romance despite their seemingly incompatible lives.

A naive, fair-skinned country boy from Yamagata moves to Tokyo for work and has a one-night stand with an older city woman. As they navigate their feelings, they question whether their connection is real or just a fleeting moment.