"青春ボカロ" (Seishun Vocalo / Vocalo Youth) is a GUMI and Lily only compilation album by avex. The theme of the album is youth, adolescence and various themes connected to it, like love, friendships, family, studying, hopes, dreams, club activities, sadness, having fun and so on. The album features several popular songs from well known producers such as Dios/Signal-P's "Aitai", Last Note.'s "Route Sphere" and takanon's "Nanka Renai", as well as "START" by Lefty Monster-P - the winner of Internet Co.'s 2012 GUMI and Lily song competition, and also a number of newly written songs. Tracks #1, #5, #6, #9, #10 and #15 are new.

A crossfade of the album can be seen on Nico Nico Douga.
The official album website is available here.
The album is available for pre-order from Amazon and CDJapan.

Seisyun vocalo
Released June 19, 2013
Producer Various
Price ¥1,980
Illust. uki
Label avex tune
Track list
1. そらもよう
Sora Moyou / The Look of the Sky
KEI feat. GUMI, Lily
2. ナンカイレンアイ
Nanka Renai / Difficult Love
takanon feat. GUMI
3. ルートスフィア
Route Sphere
Last Note. feat. GUMI
4. 夏の終わり、恋の始まり
Natsu no Owari, Koi no Hajimari / Summer's End, Love's Beginning
Scop feat. GUMI
5. Sky is the limit
6. 気まぐれSOS
Kimagure SOS / Whim SOS
40meterP feat. GUMI
7. 会いたい
Aitai / I Want to See You
Dios/Signal-P feat. GUMI
8. Fairytale,
buzzG feat. GUMI
9. ひとり部屋のバラッド
Hitori Heya no Ballad / One Room Ballad
10. 意外と真面目な女の子
Igaito Majime na Onnanoko / Surprisingly Earnest Girl
Ishifuro feat. Lily
LeftyMonster-P feat. Lily
12. 指鉛筆
Yubi Enpitsu / Finger Pencil
niki feat. Lily
13. 晴春エスカレーター
Seishun Escalator
Faye-P feat. GUMI
14. ハロライン
Hallo Rain
Taltor feat. GUMI
15. 今ちょっとだけ話題の神様
Ima Chotto Dake Wadai no Kamisama / The Current Topic Talked About Just A Bit, God
HoneyWorks feat. GUMI