Although Korean and South American television and cinema have been on an upward climb in both quality and originality, I've found Japan's recent releases to be lacking. (Yes.. yes... Departures was great.. but that's ONE in a particular year, and I haven't seen a Studio Ghibli picture in years).
Japan normally specializes in a large array of horror, animation, scientific dramas and popular psychological contests of will (Liar Game, Death Note) adapted from manga. Shinzanmono has a subtler touch, with the occasional strange cultural differences in humour and technique from its Western counterparts.
"In the Ningyo-cho area of Nihonbashi, Tokyo – a woman was murdered. Detective Kaga Kyoichiro, who just transferred to the Nihonbashi police precinct, is placed in charge of the murder case. With virtually the entire residents of Ningyo-cho’s street emerging as suspects, Detective Kaga must use his keen sense of deductive reasoning to uncover the truth … ."
Part 1 here