Sasaki to Pii-chan

Sasaki is a middle-aged office worker living in Japan. Feeling drained by the vapid corporate world, he heads to the pet shop in search of a new companion. There he finds an adorable bird named Peeps and takes him home. But Sasaki quickly learns that Peeps isn’t your average bird…he’s a powerful mage from another world! Together, they embark on a magical adventure filled with swords and sorcery.

(Source: Crunchyroll)
Note: The first episode aired with a runtime of ~48 minutes.