The police organization "WS-World Security-" that protects the world's peace and order has a special unit that carries out dangerous missions. Clumsy but hard-working, Samemaru became the special unit "Eiji" he had always dreamed of, and his heart was full of expectations for the traffic section to which he was assigned. However, his boss, who decided to partner with him, is a 13-year-old boy younger than himself--!? ! (google translated)