Hinano Sakura. 24 years old. The owner and sole employee of Café Harukaze. Regulars at the cafe call her "Hinano-san." She has glossy brown hair and brown eyes. With a face that still looks a bit youthful and a petite, dainty presence, she gives off a very cute impression. She has a very calm and soft atmosphere. She is not good at talking to people and gets nervous easily. After graduating from university, she opened her dream cafe, but she gets stage fright every time she has to serve a customer. When nervous, her already small voice becomes even quieter, and she stammers frequently. Many regulars find her earnest efforts to do her best quite healing. While she struggles with service, she is like a different person when it comes to cooking. No matter what she makes—the appearance, taste, aroma, temperature, and plating—everything is of superlative quality. She is a genius capable of providing customers with a blissful culinary experience.

Tatsuo Nakayama. 67 years old. CEO of a certain company in Tokyo. A stout man with graying hair. He is one of the regulars who finds comfort in Hinano's presence. A kind man who never loses his gentle smile and treats everyone equally. He never acts arrogant because of his position or status. He views Hinano as a "wonderful girl doing her best" and treats her like a daughter. He has no sexual interest in her whatsoever. His glasses are actually non-prescription.