9nine's new single "HAPPY 7 DAYS" will be released in June 17. 

The single will be available for purchase in 3 different versions: Limited Edition A, Limited Edition B, and Regular Edition. Limited Edition A will come with a DVD containing the PV for "HAPPY 7 DAYS", while Limited Edition B will come with a photo book. 

From the single's release day, 9nine will hold release events for 5 consecutive days in the Kanto region and Osaka. They will also kick off their nationwide tour '9nine Live Circuit 2015' on April 29. The finale will be held on July 18 at Hibiya Open-Air Concert Hall.

9nine will also release their live DVD / Blu-ray "9nine DREAM LIVE in BUDOKAN" on June 17. This will feature the group's first Nippon Budokan live that was held on August 21 of last year. 

The release events and tour schedule are as follows.   

[HAPPY 7 DAYS Release Events]

Wednesday, June 17 - Lazona Kawasaki (Kanagawa)
Thursday, June 18 - SHIBUYA TSUTAYA (Tokyo)
Friday, June 19 - SHIBUYA TSUTAYA (Tokyo)
Saturday, June 20 - abeno CUES Mall (Osaka)
Sunday, June 21 - Aeon Mall Makuhari Shintoshin (Chiba)

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[9nine Live Circuit 2015]

Wednesday, April 29 - BIGCAT (Osaka)
Saturday, May 2 - SENDAI CLUB JUNK BOX (Miyagi)
Sunday, May 3 - KASHIWA PALOOZA (Chiba)
Wednesday, May 6 - Nagoya CLUB QUATTRO (Aichi)
Sunday, May 10 - cube garden (Hokkaido)
Saturday, May 23 - Namiki Junction (Hiroshima)
Sunday, May 24 - KYOTO MUSE (Kyoto)
Saturday, May 30 - F.A.D YOKOHAMA (Kanagawa)
Sunday, May 31 - HEAVEN'S ROCK Saitama Shintoshin VJ-3 (Saitama)
Sunday, June 7 - NEXS Niigata (Niigata)
Saturday, June 13 - DRUM Be-1 (Fukuoka)
Saturday, July 18 - Hibiya Open-Air Concert Hall (Tokyo)