Million Dollar operates as a relentless creditor hounding Shibas Scotch to repay his debts. She deploys aggressive methods to coerce him, exploiting his mercenary ventures to extract payments. Their exchanges crackle with hostility, marked by bitter clashes and an absence of trust.

In a pivotal encounter, adversaries seize her as a bargaining chip to manipulate Shibas, but his contemptuous indifference toward her survival thwarts the plan, exposing the purely transactional core of their dealings. Her relentless demands propel Shibas toward perilous missions to offset mounting debts, triggering cascading repercussions for his allies.

Her background remains shrouded, her narrative presence strictly anchored to enforcing financial stakes within the OVA’s episodic structure. She exists solely to escalate tension through debt-driven conflicts and hostage gambits, her role deliberately unexpanded beyond catalyzing Shibas’ high-stakes choices.