O2 (Orange Range song)

Infobox Single
Name = O2~O・Two~


Artist = Orange Range
from Album = Panic Fancy
Released = May 28 2008
Format = CD
Genre = J-Pop
Length =
Label = gr8! Records
Writer =
Chart position =
Last single = "Kimi Station"
(2008)
This single = "O2~O・Two~"
(2008)
Next single = "Oshare Banchou"
(2008)
Misc =nihongo|"O2~O・Two~"|O2～オー・ツー～ is the 19th single from the alternative rock band Orange Range. The song serves as the opening theme to the anime series, "", and was released on May 28, 2008 in CD+DVD and CD-only formats. However, Shiawase Neiro, the ending song to the anime, will not be included in the single. The song features YAMATO as the lead for the first time.

Track listing

#nihongo|"O2~O・Two~"|O2～オー・ツー～
#nihongo| Harujion|春紫苑
#nihongo| Sekai World Uchinaanchu Kikou|世界ワールドウチナーンチュ紀行（DJ TASAKA REMIX）