In a world where the human mind has become quantifiable, people came to call the measurement that serves as the standard for judging an individual's soul the “PSYCHO-PASS.” Rookie detective Akane Tsunemori takes on the challenge of investigating “latent criminals,” whose criminal tendencies are predicted by these pre-calculated numerical values. (Source: MANGA MILLION) Volume 4 contains the side story "Tamani wa Shikisou no Nigoranai Ichinichi" (たまには色相の濁らない一日). Volume 6 contains the side story "Ushinawareta Valentine Day" (失われたバレンタインデー).