Dearest Blue Episode 4 is: Noa faces deepening betrayal and despair as she endures the presidents demands for service to protect her relationship with Mamoru, while being exploited as a plaything by sponsors during her idol activities. Balancing this with devoted care for Mamoru at home, she eventually gathers the courage to reject the situation, declaring she doesnt care if she has to quit. However, upon realizing Mamorus gaze is fixed on Rio, Noa plunges into despair and resolves to become a top idol to capture his attention, her eyes reflecting a dark determination influenced by the presidents lingering words. The narrative explores themes of emotional turmoil, objectification, unrequited longing, and relentless lust in the pursuit of idol dreams.