One song from 2018 was certified Platinum this month for selling 250,000 copies: Yonezu Kenshi’s “Lemon.”

One song from 2018 was certified Gold this month for selling 100,000 copies: Suda Masaki’s “Sayonara Elegy.”

One song was certified Million this month for selling 1,000,000 copies: Miyuki Nakajima’s “Ito.”

Two albums were certified Gold this month for selling 100,000 copies: back number’s “Encore” and Hoshino Gen’s “YELLOW DANCER.”

Singles

Million (1,000,000):
Miyuki Nakajima – Ito (4/17/02)

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Double Platinum (500,000):
Porno Graffitti – Agehachou (11/21/07)

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Platinum (250,000):
Goose house – Hikaru Nara (10/23/14)
MAN WITH A MISSION – Raise your flag (10/14/15)
Daichi Miura – EXCITE (1/18/17)
Yonezu Kenshi – Lemon (2/12/18)

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Gold (100,000):
Leo Ieiri – Bokutachi no Mirai (5/11/16)
Suda Masaki – Sayonara Elegy (1/7/18)
TWICE – TT -Japanese ver.- (6/28/17)
LiSA – ASH (10/1/17)
Zedd – Stay (2/23/17)

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Albums

Gold (100,000):
back number – Encore (12/28/16)
Hoshino Gen – YELLOW DANCER (12/9/15)