Compilation album "Happy Party☆彡" goes on sale 3/14. This album is a commemoration of the release of Internet Co. Ltd's Megpoid V3. It contains demo songs of V3 GUMI and new songs.

[Track list]
1. Juu Mensou colorful ver. / YM (GUMI Power,Sweet,Whisper,Adult)
2. Jinsei Reset Button / kemu(GUMI Power)
3. Eye Sensor / buzzG (GUMI Power)
4. LoveDroid / KanimisoP (GUMI Power)
5. Babylon / Dixie Flatline (GUMI Power)☆
6. Koufuku Ressha ni Norou / UtsuP (GUMI Power)☆
7. Tokiwo・Funker / takamatt (GUMI Power)
8. Namekuji to Bigasoo / Machigerita (GUMI Sweet)☆
9. Dokugaron code:altered / ORYO(GUMI Sweet,Power)
10. Me wo Tojitara / Yuyoyuppe (GUMI Sweet)☆
11. Suisei / monaca:factory(10-kaP)(GUMI Power,Whisper,GUMI V2)
12. Silver Bullet / PeperonP (GUMI Power,Whisper)☆
13. Shounen Shoujo wo Kagaku-suru / Siinamota (PowapowaP)(GUMI Sweet)☆
14. Ame ga Futte. / Rerulili (GUMI Sweet)
15. Kuwagata ni Chop-shitara Time Slip-shita / IenourademanbougashinderuP/(GUMI Sweet,Whisper,Power,GUMI V2)
Bonus Tracks
1. Showroom Dummy / (Mu)P (GUMI Adult)
2. Waltz for Stranger / (Mu)P (GUMI Whisper)
※☆= New original songs

[DVD]
1. Crossfade PV
2. Murakami-shachou x VocaloP Talk

Regular edition: http://www.amazon.co.jp/dp/B006VQLVXM/
Limited edition: http://www.amazon.co.jp/dp/B006VQLSL2/