One song from 2018 was certified Platinum this month for selling 250,000 copies: MISIA’s “Ai no Katachi”

Three songs from 2018 were certified Gold this month for selling 100,000 copies: back number’s “Dai Fuseikai”, BUMP OF CHICKEN’s “Bouen no March”, and WANIMA’s “Signal.”

Platinum (250,000)
Eir Aoi – Lapis Lazuli (4/22/15)
Hazzie→ – for YOU. (7/10/13)
MISIA – Ai no Katachi feat. HIDE (GReeeeN) (7/31/18)

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Gold (100,000)
Namie Amuro – Don’t wanna cry (7/5/06)
Erio wo Kamattechan – Os-Uchujin (4/27/11)
Dragon Ash – Let yourself go, Let myself go (7/19/06)
back number – Dai Fuseikai (8/22/18)
BUMP OF CHICKEN – Bouen no March (7/23/18)
Linked Horizon – Shinzou wo Sasageyo! (5/17/17)
WANIMA – Signal (1/17/18)