We're ARKS! / Rare Drop☆KOI☆Koi! / We're ARKS! / レアドロ☆KOI☆恋! / We're ARKS! / Rare Drop☆KOI☆Koi!

"We're ARKS!" - ARKS Festival 2015 theme song
Composition & Arrangement: Tadashi Kinukawa
Vocals: Takenobu Mitsuyoshi with PHANTASY STAR CREW
Lyrics: mavie
Musicians:
    Drums: Yasuo Sano
    Bass: Toshino Tanabe
    Guitar: Tomoki Kikuya
    Trumpet: Isao Sakuma, Atsushi Ozawa
    Trombone: Kanade Shishiuchi
    Sax: Kei Suzuki
    Shamisen: Michiaki Shirata (白田 路明)
    Shinobue: Makoto Takei
    Wadaiko, Narimono: Takayuki Hashiguchi (橋口 隆之)
Recording Producer: Hideaki Kobayashi / SEGA Games
Recording Director: Tadashi Kinukawa / SEGA Games
Recording & Mixing Engineer: Naoki Sakurai
Live Mix Edit: Hideaki Kobayashi / SEGA Games
Recording Studio & Trackdown Studio: SEGA Studio

"Rare Drop☆KOI☆Koi!"
Composition & Lyrics: Halko Momoi
Arrangement: Haraddy
Vocals: PSO2 Housoukyoku members
    Vocals: Halko Momoi (momo-i), Atsuko Enomoto (Acchan)
    Rap: Ichitaro Ai (Kamatarou)
    Chorus: Satoshi Sakai (酒井 智史), Yuya Kimura (木村 裕也)
Recording Producer & Director: Katsuhiko Suzuki / Right Gauge
Recording & Mixing Engineer: Masatoshi Sakimoto
Recording Studio: Freedom Studio
Trackdown Studio: RG-muse Studio

Mastering Engineer: Naomi Sassa / MTC Mastering


Note:
"Rare Drop☆KOI☆Koi!" is a song in the game Phantasy Star Online 2. It was later arranged as "Rare Drop☆KOI☆Koi! One More!" for the ending theme of Phantasy Star Online 2 The Animation.