Fuutarou Uesugi

Fuutarou Uesugi is an academic prodigy driven by his family's financial struggles. He accepts a difficult tutoring job for the Nakano quintuplets, initially appearing arrogant, rude, and indifferent to those around him. Despite this blunt exterior, he possesses an incredible work ethic and immense patience. While his primary motivation is purely monetary, his dedication to his students eventually evolves into a profound, supportive bond that transcends a simple teacher-student dynamic, proving his deep sense of duty and resilience.