Yutaro Yamazaki

Kasumi, a high school student, has lived her life with curling in a scenic town near Karuizawa, home to the oldest curling field in Honshu. In her elementary school days, she won the championship with her childhood friends, on the team called Miyo Stella. However, the team later disbanded, and Kasumi was left feeling depressed. Meanwhile, the town was in the midst of an international curling tournament being held locally. Kasumi's passion is rekindled, as she thinks, "This is my chance to play in an exhibition match at an international tournament where I can compete against strong teams that will be competing in the Olympics!"

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.