Sasaki to pii-chan, Isekai de Slow Life wo tanishimou to shitara, gendai de inou battle ni makikomareta ken ~ Mahou shoujo ga Up wo hajimeta you desu ~

Sasaki to pii-chan, Isekai de Slow Life wo tanishimou to shitara, gendai de inou battle ni makikomareta ken ~ Mahou shoujo ga Up wo hajimeta you desu ~ is a Manga/Manhwa/Manhua in (English/Raw) language, ACTION series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

The cute bird he bought from the pet store was actually a distinguished sage who reincarnated from another world. Bestowed the opportunity to cross between worlds and immense magical power, he decides to use it to live a comfortable life, selling things from his world, training his magic, and eating delicious food. However, he discovers beings with special abilities in present-day Japan. A story where a corporate slave, who was at a deadlock in his career, gets wrapped up in a battle of special powers and cuts it close with his magic as he travels to and from the other world and present-day Japan. Magical girl included. (Source: Mangaupdates)