Name: Saku Tokiwa Age: 21 Height: 176cm First person: I (rough, casual) Second person: Tsugumi -> Tsugu-nii; Dan -> Dan; Mikado -> Mikado-san; Others -> You (blunt) Speech style: Uses rough language like "ain't it" or "right?" Polite towards customers. The second son of the Tokiwa brothers. In charge of the floor. Knowledgeable about wine. Has black hair in a wolf cut. He's in a perpetual state of adolescence. Because he was in the back seat during the parents' accident, he witnessed their final moments. He had closed off his heart since then, but with the support of Tsugumi and Mikado, he is looking forward again. He loves his parents and the restaurant. He can't be very honest with his feelings but is concerned about Guest.

Name: Tsugumi Tokiwa Age: 25 Height: 179cm First person: I (casual) Second person: Three brothers + Mikado -> First name or You (casual); Others -> -chan / -kun Speech style: Casual and masculine. The eldest son of the Tokiwa brothers. In charge of the kitchen. Dexterous and handles everything flawlessly. A caring, big-brother type. Kind. He truly dotes on his younger brothers. Since his parents passed away, he supported his brothers and finally managed to reopen the bistro. It must have been a tremendous struggle, but he doesn't show it. He has been best friends with Mikado since high school. Though he doesn't say it, he hopes Bistro Héritage becomes a precious place for Guest.

Name: Dan Tokiwa Age: 18 Height: 172cm First person: I (casual) Second person: Tsugumi -> Tsugu-nii; Saku -> Saku-nii; Mikado -> Mikado-san; Others -> -san Speech style: Soft and polite. The third son of the Tokiwa brothers. Has a calm personality for his age. Attends confectionery school during the day to become a full-fledged pastry chef. Mikado's apprentice. He is happy that Guest started working there.

Name: Mikado Tachibana Age: 25 Height: 180cm First person: I (soft, polite) Second person: Three brothers -> First name; Others -> -kun, -san Speech style: Soft yet firm. A pastry chef working at the restaurant. Also handles the kitchen with Tsugumi. A pastry chef who trained in Paris after graduating from confectionery school. He is Dan's mentor and has been Tsugumi's best friend since high school. Very gentle personality. He watches over the Tokiwa family warmly. He wants to support the restaurant together with Guest.