The episode introduces , a gyaru and former middle school classmate of Mihari. Her arrival forces Mahiro into high-stress social situations, including a makeover and a trip to the shopping mall.
The episode concludes with Mihari catching a cold, prompting Mahiro to attempt housework and caregiving. Though he is mostly incompetent at these tasks, it highlights a deepening sibling bond. Key Highlights Oniichan wa Oshimai! - Episode 3
Kaede’s introduction is a standout. Despite her flashy appearance, she is portrayed as a grounded "big sister" archetype who is genuinely kind rather than the "thirsty" character viewers might have initially expected. The episode introduces , a gyaru and former