Koneko no Haitatsuin Uunyan
English title: Delivery Kitten Unyan
Japanese title: 子猫の配達員うーにゃん
Type: ONA
Episodes: 1
Source: Original
Genres: Slice of Life
Studios: Avaco Creative Studios, Studio Nanahoshi
Duration: 7 min
Rating: G - All Ages

Uunyan, a kitten from Cat Island, is excited about his first delivery job! However, while he is distracted by the flying soap bubbles and chewing on candy, the delivery bag disappears. By the time Uunyan realizes it, he must find the bag and chase after it!

(Source: YouTube, translated, edited)