Kiriyama Shuichiro works as an information management officer in the prefectural police station. As he is very observant and has interest in the unresolved cases which have gone past the legal time frame (statute of limitations) i.e. the culprit cannot be charged even if he/she is caught, he investigates the cases without permission with the aim of "confirming" the culprit only. Some charateristics of this character would be his dark green spectacles, his wallet containing 20,000 yen at all times and he likes udon and nyuumen.
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