Mikio Dojima, uncle and guardian to Daisuke Dojima, offers his Shibuya home as refuge while his nephew attends school. A physician committed to holistic care, he garners deep respect for his clinical expertise and unwavering resolve, solidifying trust within his community. His sharp black hair, yellow-tinted glasses, and neatly trimmed chin mustache echo Daisuke’s features, hinting at their shared lineage.

Amid the chaos of the Shibuya Drift, Mikio becomes a stabilizing presence, countering Daisuke’s rash actions and savior-minded recklessness. When Shibuya fractures into a dystopian reality, he pivots to organizing medical relief and fostering stability, anchoring others through the crisis. Though a steadfast ally, he openly questions Daisuke’s riskier choices, favoring measured, survival-focused solutions. His actions weave familial duty with broader responsibility, championing communal resilience over personal vendettas or ambitions.