The Seven Deadly Sins Manga Box Set #1 Vol 1-7

The Seven Deadly Sins Manga Box Set #1 Vol 1-7 by Nakaba Suzuki. A Shonen manga rated Teen, published in English by Kodansha.

Princess Elizabeth's kingdom has been seized by its own Holy Knights, and her only hope is to find the Seven Deadly Sins, a legendary band of knights accused of treason long ago. Her search leads her to a tavern run by a cheerful young man named Meliodas, who turns out to be their captain.