By using a system known as "Sense," every player strives to build their own distinct character within the VRMMORPG "Only Sense Online." Entering this world is Yun, a complete novice to gaming, who possesses some of the most poorly customized "Sense" available. Although his two sisters, who are veterans of this realm, criticize his equipment choices, he persists in exploring the skill sets he has obtained. Along the way, he encounters the craft of "production" and individuals who have mastered it. Observe how a total beginner sparks a revolution in the gaming world and establishes the "ultimate" support class.