"B'z songs" . "2015 singles" . "0"^^ . "somali" . "CD single" . . "-0.153287"^^ . "false"^^ . . . "false"^^ . "8052fa99-6145-4a1c-9a79-33d97b7aa354" . "Japan Hot 100 number-one singles" . "-0.066515"^^ . "2015 songs" . "1"^^ . "false"^^ . . . . "\u6709\u9802\u5929" . "5714dec625ac0d8aee3a5668" . "\u6709\u9802\u5929" . "Oricon Weekly number-one singles" . "%22Uch\u014Dten%22 (\u6709\u9802\u5929) is a single by Japanese rock duo B'z. It was released on January 14, 2015. It is the first single of their album Epic Day. It debuted in number one on the weekly Oricon Singles Chart, with 133,980 copies. It also reached number one on the Billboard Japan Hot 100." . "2015-01-14"^^ . "jpn" . "Being Inc." .