A mysterious coin found at a murder scene stirs the curiosity of young actress detective Oshichi and her brother Hyoma, who set out on a private investigation to unveil the secrets hidden behind the coin.
1950
1961
2023
—
1992
2016
1986
1959
2019
2010
1939
2008
1995
1955
1951
1958
1954
2013
