TV-Series
Description
Todomatsu Matsuno, youngest of six identical brothers, initially ambiguously positioned in birth order before his status as the sixth son solidified in recent media. His name originates from the Japanese term for the Abies fir tree, incorporating a pun on "todo no tsumari" ("in the end") that mirrors his youngest sibling role.

During childhood, he flustered easily, prone to clumsy mishaps and frequent complaints, often drawn into mischief by both his brothers' antics and his own impulsive whims. Despite limited physical strength, he joined group antics like bullying Chibita. He spent days engrossed in marble games and model airplane construction, with occasional ballet attempts to charm Totoko—efforts routinely sabotaged by Osomatsu’s pranks. He harbored insecurity when overlooked, vehemently asserting his identity if mistaken for a sibling.

His teenage years revealed a vulnerable, dependent side. Flashbacks portray a shorter figure with feminine features—round cheeks and a lingering childlike aura. He clung to his brothers with anxious dependency, dissolving into tears if isolated. A turning point came when Osomatsu brushed aside his future worries, planting seeds for his manipulative evolution.

As an adult, he cultivated an effeminate, fashion-conscious image—pink-streaked hair, widened pupils, and a feline mouth curve. His trendy ensembles starkly contrasted his brothers' dated wardrobes. His personality split into two facets: outwardly exuding charm and social grace, weaponizing cultivated cuteness to sway others, while inwardly nurturing cold opportunism. He strategically distanced himself from siblings to preserve social standing, feigning ignorance of their presence in public or shunning them to dodge embarrassment.

Notable manipulations include staging independence during his mother’s custody interview to curry favor and feigning affection for Ichimatsu’s cat to profit from its sale. Though briefly successful in romance and employment, these ventures crumbled when his true self emerged or outside forces intervened. He faced temporary exile for breaching their "virgin NEET" persona, later reconciling after estrangement.

Relationships with Karamatsu oscillated between brotherly camaraderie and sharp frustration, frequently scapegoating him for mishaps despite collaborative mischief. Adult interactions revealed tensions veiled by surface-level affection, especially when personal ambitions clashed with family ties.

Media arcs trace his metamorphosis from insecure adolescent to calculating social strategist. The 2019 film revisits his teenage self, showcasing how guidance from his future self molded his "popular" facade. This evolution leveraged youthful appearance and feigned innocence for social navigation, deepening emotional detachment from siblings.

Physically, his petite frame and baggy clothes underscored delayed maturation. His signature pink hoodie and curated accessories cemented his image-driven identity, while occasional formal wear with a boater hat highlighted adaptability across social contexts.