కీవర్డ్ Quartet

Cyborg warriors were created by the Special Science Investigation Squad to bear nuclear, gravitational, magnetic, and electrical forces. They fight the crime empire known as "Crime".

Maki Maki, Sebuki Suzume, Beppu Tsukasa and Iemori Yutaka happen to meet and form a quartet. They even begin to live together in Karuizawa during the winter, but there is a big hidden secret.