Despite working in the sales department of a prominent toy manufacturer, Yuuto Matsubara, a man of 27 years, feels empty inside as he is unable to chase his dreams. He has even resigned himself to giving up on finding love with his childhood sweetheart, Ai. However, everything changes when he unexpectedly comes face to face with a "Time Driver" robot that runs on the power of dreams. Despite his reluctance, he is coerced into entering the cockpit, only to find himself face to face with a younger version of himself at the age of 12.