In the year 20XX. Despite the fact that citizenry is monitored by IC chips, making the identification and arrest of criminals easier, gruesome murder cases involving an unidentified serial killer targeting children are occurring all over the country. Clad in a black cloak and a clown mask, a deranged serial killer known as the 'Murderous Clown' who poses 'questions' to his victims... the battle between him and police officer Yuuto Asakura begins!

(Source: Bunkasha, translated)