The first promotional video for Koupen-chan has been released, showcasing the upcoming TV anime's gentle, iyashikei atmosphere. The trailer highlights the titular baby emperor penguin, Koupen-chan, as it strives to ensure everyone feels welcome and included. This focus on warmth and belonging is central to the series' appeal, promising a comforting viewing experience.

Produced by Stay Luck, known for their work on series like Azur Lane: Slow Ahead!, Koupen-chan adapts the popular web manga centered on an anthropomorphic animal cast. The synopsis emphasizes Koupen-chan's desire to spend time with new friends and brighten their days, suggesting an episodic format filled with small, heartwarming interactions. The trailer's visual style aligns with these themes, featuring soft animation and a generally peaceful tone.

With a MAL score of 7.53, the source material has already found an audience appreciative of its inclusive and educational elements. The PV confirms the series will lean heavily into its slice-of-life and animal-centric themes, aiming to provide a relaxing and uplifting narrative when it premieres in Spring 2025.