Furuta Shoto, who wielded the futuristic technology-powered booster BEE, fought valiantly to protect his beloved hometown of Kasukabe from the clutches of the future god of destruction, B.B., alongside countless other heroes. However, the remnants of the Kasukabe phenomenon had not completely disappeared! Together with his baseball teammates Subaru and Kama-chan, the power of the future justice BEE residing within him leads the boys into a new battle!