Raiō Raionji is a high-ranking student and school superstar aiming to become student council president. His presence in a prominent group draws the attention of the main characters, especially after Kaerugawa Erutaka joins, shifting the group's dynamics and fueling conflict. Raionji's actions feed into the central themes of jealousy and inferiority complex experienced by Kamerō Kameda. He plays a key role in the events leading to the student council election, which features a session of "bone-to-bone collision" that underscores both physical and metaphorical struggles between characters. This election acts as a pivotal moment for conflict and growth, emphasizing the interplay between human anatomy and animal characteristics.