Takeshi and Kentaro are two friends who have been inseparable since infancy. Born in the same hospital on the same day, they have shared every school class and even competed for the same girl. However, their friendship takes an unwanted turn when they discover they are the Chosen Ones destined to defeat an evil entity and its minions, who are currently wreaking havoc on humanity. Together, the two merge to become a super fighter known as Barom One, capable of easily taking down monsters. Can Takeshi and Kentaro band together to save the world?