Mikako Satsukitane, student council president of Sorami Junior High, wields authority with a manipulative edge and sadistic flair, engineering intricate schemes—like those targeting classmate Tomoki Sakurai—for her amusement. As heir to a formidable Yakuza clan, she commands vast influence, backed by wealth, armed bodyguards, and whispered ties to national budget irregularities. Her combat skills defy expectation: a crushing 400kg grip strength fuels techniques like the Iron Claw, complemented by mastery of firearms and close-quarters combat. Though human, enigmatic clues hint at deeper origins—a glimpse of wings in Ikaros’ memories within *Eternal My Master* and Sugata’s unresolved suspicions suggest latent ties to Synapse’s angelic beings. Privately devoted to childhood friend Eishiro Sugata (“Ei-kun”), she balances intellectual rapport with possessive jealousy, violently repelling rivals for his attention. Spin-offs like *Daisuki Desu!! Mahou Tenshi Cosmos* depict her at 18, meddling in Sugata’s affairs, while *Yūryō Bukken Mō Dame Sō* shows her aiding his younger brother without softening her cunning demeanor. In the OVA *Project Pink*, her privately owned indoor water park becomes a stage for Tomoki’s chaotic entanglements, showcasing her resourceful orchestration of turmoil. Despite funding events and aiding allies, her generosity intertwines with revelry in others’ distress, underscored by supplementary ethics classes she attends for “failing in morals”—a stark contrast to her academic prestige. While her overt persona remains static, layers emerge through hints of non-human ancestry and nuanced dynamics with Sugata in later arcs. A perpetual architect of controlled chaos, she melds Yakuza-bred ruthlessness with fleeting camaraderie, notably mentoring Angeloid Astraea in combat strategy, embodying contradictions that defy simple alignment.