Masa Tatsumi serves as a seasoned pillar of Ryokusho Traditional Japanese Sweets Shop, distinguished by steel-gray hair, narrow eyes behind wire-framed glasses, and a uniform of immaculate white chef attire paired with slate-gray shoes. His name’s etymology—combining “government” and “southeast” characters—remains a linguistic curiosity unrelated to his personal journey.

Decades before the main storyline, his entry in the National Confectionery Competition captivated audiences with a towering eagle sculpture meticulously crafted from spun sugar and caramelized confections, entirely edible. This creation inadvertently ignited Hiiro Kisaichi’s passion for the craft, compelling her to request his mentorship. Impressed by her relentless dedication, he eventually welcomed her as a guest instructor during her formative years.

At Ryokusho, Masa exudes quiet authority tempered by approachability, routinely defusing tensions between colleagues. During Hiiro’s clashes over conflicting work philosophies or customer service challenges, he steps in to reframe clashes as collaborative learning opportunities. He reveals that his competition-winning eagle emerged through thirteen failed prototypes over eight months, embodying his philosophy that mastery evolves from disciplined iteration, not innate talent.

His mentorship prioritizes duality: pairing precise technical standards with nurturing emotional intelligence. He challenges apprentices to harmonize artistic vision with customer-centric adaptability, guiding Hiiro to bridge her exacting standards with operational realities. Through patient course-correction and candid reflections on his own setbacks, he shapes resilient artisans capable of thriving in both craft and community.