I dettagli del nuovo best album delle ragazze sono stati svelati. Il duo ha infatti rilasciato le copertine e le tracklist di "Y&K" in arrivo il 21. A voi tutte le informazioni.

Tracce CD1:
01 - Our Steady Boy
02 - Futari (ふたり)
03 - VIVIVID PARTY!
04 - HEARTBEAT ga Tomaranai! (HEARTBEATが止まらないっ!)
05 - Shooting☆Smile
06 - Kimi no YELL (君のYELL)
07 - Wake Up!! (ウェィカッ!!)
08 - Shiny Blue
09 - LUCKY DUCKY!!
10 - Intro Situation
11 - NEO SIGNALIFE
12 - Ring Ring Rainbow!!
13 - Promise You!!
14 - B Ambitious!

Tracce CD2:
01 - Koi no Overtake (恋のオーバーテイク)
02 - PUPPY LOVE!!
03 - CUE the Future ~「Q」no Theme~ (CUE the Future~「Q」のテーマ~)
04 - Kimi ga Sekai de Sekai wa Kimi de (君が世界で世界は君で)
05 - Tsubasa ni Naru yo (翼になるよ)
06 - marble
07 - Jumpin’ Bunny Flash!!
08 - Hoshi Furu Yoru no Happy Link (星降る夜のハッピーリンク)
09 - Koisuru Stole (恋するストール)
10 - Orion Kara no Message (オリオンからのメッセージ)
11 - Calling Calling
12 - Baisoku∞Love Straight (倍速∞ラブストレート)
13 - Canaria (カナリア)
14 - Rainy Day
15 - Hatsukoi Maze (ハツコイメイズ) *Sugar time ver. / Ogura Yui
16 - Shiny Blue *Right on! Dream ver. / Ishihara Kaori

Tracce Video:
01 - Our Steady Boy (PV)
02 - VIVIVID PARTY! (PV)
03 - HEARTBEAT ga Tomaranai! (PV)
04 - Shooting☆Smile (PV)
05 - PUPPY LOVE!! (PV)
06 - Kimi no YELL (PV)
07 - Wake Up!! (PV)
08 - Shiny Blue (PV)
09 - Jumpin’ Bunny Flash!! (PV)
10 - LUCKY DUCKY!! (PV)
11 - Intro Situation (PV)
12 - NEO SIGNALIFE (PV)
13 - Ring Ring Rainbow!! (PV)
14 - Canaria (PV)
15 - Promise You!! (PV)
16 - Canaria (PV Dance ver.)
17 - Promise You!! (PV Dance ver.)