In a whimsical blend of action and comedy, the Nohara family encounters Miraiman, a time-traveling hero from the future. Tasked with battling colossal monsters emerging from temporal rifts, Shinnosuke's parents transform into heroic figures to vanquish these threats within a strict three-minute window. As the stakes escalate and time runs short, Shinnosuke takes a stand against an unbeatable monster, stepping into the fray to protect his family and the world.