One morning, I inexplicably wake up in a mysterious world alongside a peculiar girl! Could this be a case of Otherworldly Summoning?! Anticipating the start of my thrilling adventurer's journey, I soon realize a major setback—I've lost my voice! And to my surprise, the one who summoned me is an adorable demon lord (or so I assume)! With language barriers hindering us, we rely on gestures for communication in this delightful cross-dimensional romantic comedy! (Note: Initially a one-shot, the series embarked on serialization on March 11, 2020, featuring 5 additional chapters.)