Vertex Force

Tou Akira, a middle school student living in northern Okinawa with his older sister Haruka and their mother who runs a cafe, leads a peaceful daily life. However, this family harbors a secret. Haruka inherited a power called "Engine" from their father and lives her life hiding it from others. On the other hand, Akira did not inherit their father's power and suffers from an inferiority complex due to his own weakness. One day, strange anomalies begin occurring around the world. What is the purpose of the mysterious enemies closing in on Akira and his companions...? Now, the battle of the boys and girls bearing the fate of the universe begins!