Berserk of Gluttony Manga

In a world where skills are everything. Fate Graphite has one of the most useless: Gluttony. A power that acts like a curse since it gives him an insatiable hunger. One day, while exercising his profession as guard of the castle, he finds himself embarked on an ambush and kills a thief. His skill then activates and devours the soul of the unfortunate. Now able to add his victims’ stats to his own, Fate embarks on a quest for power to protect the one he loves. But all power has a cost and the fight not to sink into madness will be long…