Chihiro Enomoto anchors multiple story iterations as the central protagonist. A traffic accident claimed his parents' lives when he was ten, compelling him to live under his older sister Shinobu's care. This early independence forged exceptional self-sufficiency, sharpening his expertise in domestic duties like cooking and cleaning.

For years, extraordinarily chronic bad luck plagued him with relentless minor misfortunes: surprise rainstorms, missed buses, falls into ditches, or encounters with animal waste. This pattern inverted abruptly when a lottery selected him as Rikkyoin High School's next Student Council President candidate. His appointment triggered a complete reversal in fortune, enabling him to surmount impossible odds and conquer perilous assignments.

Within his student council candidate team, he develops close bonds with members like childhood friend Tokino Akiyama. His supportive nature proves vital in guiding introverted figures such as Koyuki Asagiri toward confidence. He shares a significant history with current Student Council President Ritsuko Kübel Kettenkrad, another neighborhood childhood friend. Flashbacks frequently revisit their pivotal childhood pact where Ritsuko demanded he marry her if she ceased "being a crybaby"—a moment rarely acknowledged in their present dynamic.

His apprenticeship involves executing diverse tasks for the incumbent council, spanning routine school operations like managing the store or recovering lost items to critical emergencies: bomb threats, escaped zoo animals, or international crises. Failure in any assignment risks immediate academy expulsion. Confronting these trials alongside his team, he demonstrates escalating resilience and adaptability throughout his progression.