"Kero Kero Keroppi no Christmas Eve no Okurimono" is a short anime special centered around Keroppi, a cheerful and kind-hearted frog, and his friends as they prepare for Christmas. The story unfolds on Christmas Eve, with Keroppi and his friends eagerly anticipating the holiday. The narrative focuses on themes of friendship, generosity, and the spirit of giving.

Keroppi and his friends, including his twin siblings Koroppi and Keroleen, as well as his best friends Den Den and Ganta, are busy preparing for Christmas. They decorate their homes, exchange gifts, and enjoy the festive atmosphere. However, the main plot revolves around a special gift that Keroppi intends to give to his friends. The gift is a handmade Christmas ornament, symbolizing his appreciation for their friendship.

As the story progresses, Keroppi encounters a minor challenge when he realizes he doesn’t have enough materials to complete the ornaments for everyone. With the help of his friends, they work together to gather the necessary items, showcasing their teamwork and camaraderie. Along the way, they also assist a lost reindeer, further emphasizing the theme of kindness and helping others.

The climax of the story occurs on Christmas Eve, when Keroppi presents the ornaments to his friends. The gesture is met with heartfelt gratitude, reinforcing the importance of thoughtfulness and the joy of giving. The special concludes with the group celebrating together, enjoying the warmth of their friendship and the magic of the holiday season.

The characters are portrayed with simple yet endearing personalities, with Keroppi embodying optimism and a caring nature, while his friends each contribute their unique traits to the group dynamic. The narrative is lighthearted and family-friendly, making it suitable for younger audiences while still conveying meaningful messages about friendship and the holiday spirit.