chay’s “Anata ni Koi wo Shite Mimashita” has achieved Platinum status, meaning it sold 250,000 copies.

Several songs from this year achieved Gold status, meaning that they sold 100,000 copies. These songs were by Eir Aoi, AKINO from bless4, Kyary Pamyu Pamyu, Gesu no Kiwami Otome., Superfly, Nishizawa Shiena, Masaharu Fukuyama, Porno Graffitti, and Wiz Khalifa.

Platinum (250,000):
Oda Kazumasu – Love Story wa Totsuzen ni (12/5/07)
chay – Anata ni Koi wo Shite Mimashita (2/2/15)
Nishino Kana – We Don’t Stop (5/21/14)
Nishino Kana – Namida Iro (7/31/13)
Taylor Swift – Shake It Off (9/24/14)

Gold (100,000)
Eir Aoi – Lapis Lazuli (4/22/15)
AKINO from bless4 – Miiro (2/18/15)
E-girls – E.G. Anthem -WE ARE VENUS- (6/13/14)
Ikimonogakari – Kokoro no Hana wo Sakaseyou (12/24/08)
AKB48 – Kibouteki Refrain (11/26/14)
Kyary Pamyu Pamyu – Mondai Girl (3/4/15)
KG – Motto Aishitakatta (6/27/12)
Gesu no Kiwami Otome. – Ryoukiteki na Kiss wo Watashi ni Shite (7/25/14)
Gesu no Kiwami Otome. – Watashi Igai Watashi Janai no (4/22/15)
ZEEBRA – Bushido -main- (3/5/08)
JUDY AND MARY – Kujira 12 Gou (12/6/00)
Superfly – Beautiful (5/8/15)
CHiCO with HoneyWorks – Sekai wa Koi ni Ochiteiru (8/6/14)
Nishizawa Shiena – Fubuki (2/18/15)
back number – Watagashi (7/18/12)
Masaharu Fukuyama – Nando Demo Hana ga Saku You ni Watashi wo Ikiyou (3/21/15)
Porno Graffitti – Oh! Rival (4/15/15)
Wiz Khalifa – See You Again (feat. Charlie Puth) (4/8/15)