Shigekazu Toshida is a popular high school student and member of the male idol group "Princely 4," known for his striking appearance, notable talent, and considerable charm. His personality is predominantly cheerful, sociable, and outgoing, with a confident demeanor that sometimes leads to impulsive decisions and risk-taking. Despite his external success, he harbors internal insecurities, questioning the validity of his acclaim, the merit of his abilities, and his own self-worth.

His narrative involves confronting personal challenges, including romantic feelings for Serinuma Kae, the protagonist who initially doesn't align with conventional attractiveness standards. This emotional conflict intertwines with his broader journey of self-acceptance and identity exploration. Alongside four other boys indebted to wealthy classmate Sakiko Horinomiya, he participates in the "Motemen Koshien" male beauty pageant, aiming to win prize money to repay their debt. This competition serves as a catalyst for addressing his underlying vulnerabilities and catalyzing personal growth.

Throughout this development, he evolves from grappling with self-doubt towards embracing authenticity. He learns to navigate his insecurities while supporting Serinuma Kae on her own path to self-acceptance. His experiences in the idol group and the pageant highlight themes of superficial judgment versus genuine connection, reinforcing the narrative that true appeal stems from sincerity rather than external validation.