Tomoe stands as a pivotal figure in Lupin III’s past, a manipulative mentor who schooled him in thieving arts while demanding he call her “mother,” despite no blood relation. This dynamic fuels a central ambiguity, blurring delusion and exploitation as she molds him into an instrument of her ambitions. Her reach extends beyond Lupin, ensnaring young women like Mattea, Mylene, Gabby, and Hazel—brainwashing them into sleeper agents programmed to surveil or eliminate him, tightening her grip on his every move.

Her machinations climax in a psychological duel where she fractures Lupin’s resolve, compelling him to shield their fabricated bond. The conflict spirals into a fatal confrontation, ending with Lupin reluctantly executing her to dismantle her web of control—a choice shadowed by remorse for the collateral damage inflicted on her pawns. Her legacy lingers in a treasure tied to Lupin’s origins, which he obliterates to sever her engineered ties to his past.

A strategist of deception, she wields emotional manipulation and meticulous planning to sustain power. Her disciples, often oblivious to their programming until activation, exemplify her penchant for subtle domination. Though she cloaks herself in maternal rhetoric, her true allegiance lies with control, reducing Lupin to a pawn in her quest to solidify her criminal legacy. The narrative preserves the enigma of her motivations—whether her self-deception sprouted from warped affection or cold ambition—cementing her duality as both mentor and antagonist.