Maryoku Mugen no Manaporter is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Thanks to his infinite mana Ishua has been working as a mana porter to the hero party. Doing a perfect task of supplying mana to the party members who consumed a lof of MP and earning the trust of his companions. However, Alan, the hero decides to banish him from the party in a fit of jealousy. "We don't need a mana porter!"

And chasing after Ishua through the forest Aria, the saint, appears wishing to continue adventuring with Ishua. The story of the banished strongest mana porter begins here!