Miki Saotome commands the Tsubame Group as chief antagonist against the Mobile Shinsengumi in an alternate Meiji-era Japan, driven by ambitions to dismantle laws governing monster registration. Her goal: restore supernatural beings to their unregulated origins and obliterate Kyoto alongside its defenders. She wields black magic to summon devastating demons and coerce unlicensed monsters, sacrificing the city’s safety to fuel her agenda.

Once a shrine priestess, her sanctuary’s destruction by monsters forged her ruthless ideology, intertwining personal vengeance with a thirst for dominance. She leads two subordinates—Ukon Tanaka, a swordsman enduring her cold disregard despite unspoken loyalty, and Sakon Suzuki, a chaotic underling fixated on Chinese cabbage. Their dynamic echoes antagonistic teams like Pokémon’s Team Rocket, blending bumbling ineptitude with relentless scheming.

Miki escalates from unleashing monsters to directly battling the Shinsengumi, later forging a fleeting alliance with them to counter a greater threat before betraying their trust. This gambit backfires, leaving her shackled with the Shinsengumi’s financial debts and tarnished reputation. Her demeanor embodies the Noblewoman’s Laugh trope, exuding smug superiority that fractures under adversity.

Though her personality merges calculated cruelty with fleeting vulnerability—hinted through ambiguous tensions with Ukon—her leadership thrives on intimidation and magnetism, demanding obedience while dismissing others’ agency. Despite momentary cracks, her arc remains static, cementing her as an archetypal foe fueled by unhealed trauma and insatiable ambition.