Zoku Sayonara Zetsubou Sensei

#11 12 Dark Despair Women / On this Month, on this Night, the Moon shall be Clouded by my Tears

Detective Nozomu Itoshiki, parodying Kousuke Kindaichi, is called upon by an investigator Jinroku to cooperate with the serial murder case, which took place in Sakebu Itoshiki's mansion.