As a high school student, Takeru Takemoto earns a living by working part-time as a courier on his motorbike. During one of his delivery runs, he witnessed a strange light zipping past him and causing him to crash into a nearby forest. There, he stumbled upon a stunning girl emerging from a glowing cocoon wearing no clothes. The girl, who went by the name of "Hikari," introduced herself to Takeru. However, their pleasant meeting was disrupted when a ferocious monster suddenly appeared and began to attack them. Surprisingly, both Takeru and Hikari unleashed their unbelievable powers, leaving Takeru stunned by what had just unfolded.