"Warera Omou, Yue ni Warera Ari" (Japanese: 我ら思う、故に我ら在り, Warera Omou, Yue Ni Warera Ari, lit. "We think, therefore we are") is a song performed by the Japanese rock band Kishidan.

About the song

The CD single release of the same name was released under the Avex Group's Avex Trax label on December 9, 2015 and is Kishidan's 20th single. The song was later included in their 8th album "Furyohin", which was released on January 27, 2016.

It was used as the opening song for the 2015-2016 TV tokusatsu series Kamen Rider Ghost, as well as used as the insert song (Episode 33 and 38) and ending song (Episode 49).

It was first included in Taiko no Tatsujin: Atsumete★Tomodachi Daisakusen! as DLC song on the console platform and later in Taiko no Tatsujin: White Version since Japanese version's 1.10 update and Asia version's launch 0.05 firmware on arcade platform.

List of games




Difficulty Rating Combo
Easy ★ x 3 57
Normal ★ x 4 95
Hard ★ x 5 234
Oni / Extreme ★ x 7 285



Please be aware that the following is for the TV-size version of the song as it was originally featured in the anime/video game series.
Japanese Kanji Japanese Rōmaji English Translation
涙が溢れるのは 君が傍で微笑むから
抱き締めたくなるのは 君が傍にいるから
Namida ga afureru no wa kimi ga soba de hohoemu kara
Dakishime takunaru no wa kimi ga soba ni iru kara
My tears are overflowing, because you are by my side, smiling
I get the urge to hold you tight, because you are right next to me.
だから生きる 魂燃やし生き抜いて
見つけ出す いつか
Naze umarete kitakanante
Kangaete mo wakaranainda
Dakara ikiru tamashii moyashi ikinuite
Mitsukedasu itsuka
I'll never know why I was born
If all I do is think about it
So I'll live. I'll fire up my soul and survive
And find the reason someday
Onaji jidai ni ima de aeta nakama tachi yo
Warera omou yueni warera ari
Atarashi rekishi ni kogidase nakamatachi yo
Warera omou yueni warera ari
Jinsei wa daremo minna ichido kiri sa
Omoi no mama ni
To the comrades I met in this same era!
We think, therefore we are
Let's start a new page of history, my friends!
We think, therefore we are
Everyone has only one chance to live
Live freely!


  • Since White Version's JP 5.07 update, playing the song will grants player the title 'Kaigan! Ore! (Japanese: カイガン!オレ!, Kaigan! Ore)' and the Kamen Rider Ghost costume.
  • This is one of the songs that are required to be norma cleared in one run in order to obtain the title 'Hero Donder (Japanese: ヒーロードンだー, Hīrō Donda ̄)'.

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