Nozomu Tokura is Aoi Tokura's older brother. Cafe owner Koji Amami appoints him manager of Rainy Color's new Hawaii branch, requiring relocation and overseeing the shop's establishment from the ground up. The demanding preparation period leads to the opening. After launch, initial customer interest quickly wanes, presenting substantial challenges. To counter this downturn, Amami introduces Nana, a Shiba Inu with scent-based coffee selection abilities. Confronted with difficulties, Nozomu eventually implements a major unexpected initiative to revitalize the business. His leadership in Hawaii involves forming new collaborative relationships and friendships essential for navigating the complexities of launching and sustaining the cafe.

The character appears across multiple installments, with documented appearances beginning in Season 1, Episode 6 and continuing through subsequent seasons. His involvement becomes prominent in Season 3, featuring in all 12 episodes chronicling the Hawaii branch's foundational phase, and extends into Season 4, which develops his managerial experiences through another full season. These appearances track his progression from supporting character to a central figure tasked with significant operational responsibilities in an international expansion.