The appearance of Yuya, who was summoned as a hero from another world, has changed his peaceful everyday life!? Attractive women - sister-in-law Laura, childhood friends Xiao and Fanon, and the neighborhood older sister... Ark was spending peaceful and happy days surrounded by Fiore. In the commoner town of Fabillon, the royal capital of the continent of Brum, where they live, each person is given one ability called a "skill", and they use it to find a job. The day of the "Skill Advent Ceremony" has finally arrived. Xiao, Fanon, and Laura, who finished the ritual first, each obtained the skills possessed by the legendary hero party: ``Slash Princess King'', ``User of the Divine Bow'', and ``Great Magician's Knowledge''. Amid a mixture of expectations and anxiety, what skill did Ark acquire? Recovering "everything" stolen from the other world teleporter (hero)!! The great reversal adventure story from a commoner begins!!