A loner becomes a legend in another world—Hiroto, who has zero presence and no communication skills, is suddenly transported to a new world. This dangerous world is full of monsters, but Hiroto gains the cheat skill "Stealth." With this power, he sets his sights on achieving what he never could in real life: becoming unbeatable and building a harem! But with zero communication skills, can he really pull off the ultimate "harem domination"?