Byakumaru, who achieved great sales as a supermarket manager in a rural town in the Kanto region, received a special bonus of 1 million yen and a three-day vacation. Byakumaru decides to use the bonus and vacation time to reunite with his older sister, who he lost in his childhood. His parents died in a traffic accident, and he grew up in a relative's home, but was later placed in different homes and his whereabouts were never known. As a result of the investigation by Koshinsho, there are four housewives from Shiromaru's area living in a certain housing complex in Tokyo, and one of them appears to be Shiromaru's older sister. Shiromaru heads to the housing complex with Ayaka, an employee of Koshinsho, but...

Tôshi Yanagi
as

Shiori Kuroda
as

Mami Ogawa
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Runa Saiki
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Reiko Kagami
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Sayuri Shinohara
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Kazuhiko Nakamura
as