KANJANI8 tops the singles chart with Tsuyoku Tsuyoku Tsuyoku selling over 156,000 copies. The song has tie-up as theme for TV drama DoS Deka starring member Tadayoshi Okura.
Several anime tied include Aimer at #4 with Brave Shine opening theme for Fate/stay night UBW.
Mr. Children top the albums chart with REFLECTION selling over 355,000 copies.
Read on for the complete top 10 singles and albums charts.
Singles for June 1st – 7th 2015
| Rank | Group/Artist | Single Title | Released | Sold |
| 1 | KANJANI8 | Tsuyoku Tsuyoku Tsuyoku | June 3rd | 156,448 |
| 2 | AKB48 | Bokutachi wa Tatakawanai | May 20th | 37,400 |
| 3 | CV: Morikubo Shotaro | Uta no Prince-sama Love Revolutions Idol song: NEVER… | June 3rd | 20,623 |
| 4 | Aimer | Brave Shine | June 3rd | 20,330 |
| 5 | TUBE | SUMMER TIME | June 3rd | 19,696 |
| 6 | GRANRODEO | Memories | June 3rd | 14,137 |
| 7 | Customize Z | Requiem | June 3rd | 11,665 |
| 8 | Nagi Yanagi | Haru Modoki | June 3rd | 11,561 |
| 9 | Hata Motohiro | Suisai no Tsuki | June 3rd | 10,243 |
| 10 | Hoshino Gen | SUN | May 27th | 9,870 |
Albums for June 1st — 7th 2015
| Rank | Group/Artist | Album Title | Released | Sold |
| 1 | Mr. Children | REFLECTION | June 3rd | 355,268 |
| 2 | Superfly | WHITE | May 27th | 25,046 |
| 3 | Chris Hart | Heart Song III | June 3rd | 17,561 |
| 4 | CV: Hara Yumi | The Idolmaster Artist 3 06 Shijo Takane | June 3rd | 14,345 |
| 5 | CV: Hasegawa Akiko | The Idolmaster Artist 3 04 Hoshii Miki | June 3rd | 14,333 |
| 6 | CV: Rie Kugimiya | The Idolmaster Artist 3 05 Minase Iori | June 3rd | 13,830 |
| 7 | μ’s (Muse) | Best Album Best Live! Collection II | May 27th | 12,226 |
| 8 | Def Tech | Howzit !? | June 3rd | 10,438 |
| 9 | Shonan no Kaze | COME AGAIN | May 27th | 9,487 |
| 10 | EXO | Exodus (import) | April 1st | 9,249 |
Previous Oricon Charts
Source: Oricon
