Yoru o Hashirinukeru

Haruo Kisaragi, the owner of Nagumo Fine Arts in Ginza, is a guy who has given up on life. Haruo took over the shop after being adopted by the former owner, Nagumo, despite Nagumo having a biological son. Haruo tells his girlfriend Kaoruko he wants to marry her one day, but she hits him and dumps him. Torakazu Yosano, a sculptor who witnessed the entire incident, arrives at Haruo's shop with the necklace that was hurled at him...!?