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Background[]

There is no other battle fought more honorably. Yai Yai Yai Yai~tsu!(`o´)
—Author's comment

"Kiddie War" is a song featuring Kagamine Rin and Len by Giga-P and Reol. The song tells the story of two siblings (Len and Rin) who, at the request of a butler, aim to best the other for the throne. The two engage in a "Childish War", both of them trying to gain the upper hand over each other in order to prove to the butler that they are the one worthy of the title emperor. However, all of their squabbling results in their contest ending with a draw.

The song was originally written by Giga-P and Reol for Kradness and Reol; however, Len and Rin's version was released at the same time. It's one of the Kagamines' most notable duet songs.

This song has entered the Hall of Legend and exceeded over 10 million YouTube views. Hence, this is one of Giga-P's most notable songs, and one of the Kagamines' most notable duet songs.

Preceding and succeeding versions[]

Reol and kradness's Version
Niconico logo
[nn][yt]
Featuring
Producers
Giga-P (music), Reol (lyrics, vocals), Kradness (vocals), △○□× (illustration), Okiku (movie)
Categories Human Version
Project SEKAI Version [SEKAI] (Game size - 3DMV)
Games - Project SEKAI - おこちゃま戦争
[nn][yt][yt]
Featuring
Producers
Matsumoto Nagisa (choreography), Jakko, Okuyama Keito, TACCHI, Matsumoto Nagisa (motion actor)
SOLID CUBE (motion capture)
SEGA, Colorful Palette, Crypton Future Media, Inc.
Categories VOCALOID Cover; Human Cover; Original MV; In-game Content
Description
Project SEKAI Version [SEKAI] (Full)
Games - Project SEKAI - おこちゃま戦争
[yt]
Featuring
Wonderlands x Showtime: Kagamine Rin, Kagamine Len, Tenma Tsukasa (CV: Hirose Daisuke), Kusanagi Nene (CV: Machico)
Producers
SEGA, Colorful Palette, Crypton Future Media, Inc.
Categories VOCALOID Cover; Human Cover; Album-exclusive Content
Description
Full version, featured in Wonderlands x Showtime's 2nd full album Wonderlands x Showtime SEKAI ALBUM Vol.2, featured in the game Project SEKAI COLORFUL STAGE! feat. Hatsune Miku.

Lyrics[]

Singer + Color
RinBoth
Len
Japanese (日本語歌詞) Romaji (ローマ字)
昔々の そのまた昔 mukashi mukashi no sono mata mukashi
とある貴族の 仲良しな兄弟 toaru kizoku no nakayoshi na kyoudai
ry 以下略称 ika ryakushou
「ちゃんとやれ!」 "chanto yare!"

じいやが呼ぶ 席につけ よーいどん! jiiya ga yobu seki ni tsuke yooi don!
ナイフとフォークで 応戦いたしますの naifu to fooku de ousen itashimasu no
だって僕らは ブルジョアの datte bokura wa burujoa no
立派な 立派な 貴族様なんですですの rippa na rippa na kizoku-sama nan desu desu no
ひれふせ愚民 君との違いを hirefuse gumin kimi to no chigai o
ヴァイヴァイスロイ 見せてやるぜ vaivaisuroi miseteyaru ze
おい まてまて また勝手にそんな oi mate mate mata katte ni sonna
見抜けるような ハッタリかまして minukeru you na hattari kamashite
はーい はーい はい はい haai haai hai hai
お兄様の仰せのままに(笑) oniisama no oose no mama ni

あ゙ーむかつくぜ! まーぢむかつくぜ! aa mukatsuku ze! maaji mukatsuku ze!
兄に対して 生意気な態度 ani ni taishite namaiki na taido
閧の声 ゴングを鳴らせ toki no koe gongu o narase
ケンカ勃発で 宣戦布告 kenka boppatsu de sensen fukoku
悪戯して 悪ノリして itazura shite waru nori shite
ほら ほら 煽ってく Style で hora hora aotte ku sutairu de
“大安売り” 買っちゃったら "ooyasuuri" kacchattara
毎度ありがとうで 君の負け! maido arigatou de kimi no make!
(っしゃぁ!) (sshyaa!)

拙い引き出しと tsutanai hikidashi to
煽りあいの駆け引きでキメる aoriai no kakehiki de kimeru
兄の威厳見せるため飴と飴 ani no igen miseru tame ame to ame
火花散るチル両者の目と目 Hibana chiru chiru ryousha no me to me
俺をだれだと思ってる ore o dare da to omotteru
くらえ!おれさまがルールブック▼ kurae! ore-sama ga ruuru bukku▼
へたれじゃない ひよってない hetare ja nai hiyotte nai
ちょっと勇気が足りないだけ chotto yuuki ga tarinai dake
さぁさぁみなさん お手を拝借 saa saa mina-san o-te o haishaku
当たり前だろ 余裕しゃくしゃく atarimae daro yoyuu shaku shaku
生まれながらにしてチート umarenagara ni shite chiito
やべぇ 煌めく人生がスタート yabee kirameku jinsei ga sutaato
当然です 見てみな 由緒は ガチ勢 touzen desu mite mina yuisho wa gachi zei
ハイ論破 ハイ論破 ハイ論破 hai ronpa hai ronpa hai ronpa
もらってくぜ Vサイン moratteku ze V sain
イェイ!(v^―゜)♪ yei! (v^―゜)♪
はーい はーい はい はい haai haii hai hai
はなまる よくできまちた☆ hanamaru yoku dekimachita ☆

あ゙ーむかつくぜ! まーぢむかつくぜ! aa mukatsuku ze! maaji mukatsuku ze!
僕に向かって 減らず口なんざ boku ni mukatte herazuguchi nan za
とっておきを きみに見舞え totteoki o kimi ni mimae
報復!制裁!挑発しちゃって houfuku! seisai! chouhatsu shichatte
意地悪して 一枚上 ijiwaru shite ichi mai ue
チャンスは貰ってくスタンスで chansu wa moratteku sutansu de
痛恨ミス!あっちゃっちゃー tsuukon misu! acchacchaa
お生憎(あいにく)様だね 君の負け! o-ainiku-sama da ne kimi no make!

だけどキミ キミだけが dakedo kimi kimi dake ga
せいっ やあっ とおっ やあっ うっ うっ やあっ はっ (sei yaa too yaa uu uu yaa haa)
ボクに似合いのライバル boku ni niai no raibaru
せいっ やあっ とおっ やあっ うっ とおっ やあっ はっ (sei yaa too yaa u too yaa ha)
オチるのも 凹んでんのも ochiru no mo hekonden no mo
うっ はっ せいっ やあっ やぁっ せいっ はっ (u ha sei yaa yaa sei ha)
調子狂わされるから choushi kuruwa sareru kara
今宵も てめーと やい やい やい やい koyoi mo temee to yai yai yai yai

大体兄様がいつもそうやってナヨナヨしてるから daitai ani-sama ga itsumo sou yatte nayonayo shiteru kara
お前がいつも一人で暴走するから omae ga itsumo hitori de bousou suru kara
僕が兄様の分まで積極的になってやってるんだよ boku ga ani-sama no bun made sekkyokuteki ni natte yatteru n da yo
オレが尻拭いせざるを得なくなるんだろうが ore ga shirinugui sezaru o enaku naru n darou ga
もう少し感謝してほしいね mou sukoshi kansha shite hoshii ne
あとオレは別にヘタレじゃない 慎重なだけだ ato ore wa betsu ni hetare ja nai shinchou na dake da
年上のくせに全然頼りにならないお兄様とか名ばかりだよもう toshiue no kuse ni zenzen tayori ni naranai oniisama toka na bakari da yo mou
メイドたちも爺やも言ってたぞ meido tachi mo jiiya mo itteta zo
今日から僕が兄ね これ決定! kyou kara boku ga ani ne kore kettei!
ほんともう少し落ち着いてくれって honto mou sukoshi ochitsuite kurette
ハイ決定 hai kettei
あ゛ーもう!うるせぇ~ aa mou! urusee~

あ゙ーむかつくぜ! まーぢむかつくぜ! aa mukatsuku ze! maaji mukatsuku ze!
憎まれ口は おくちをチャック nikumareguchi wa okuchi o chakku
閧の声 ゴングを鳴らせ toki no koe gongu o narase
次世代エンペラーは この「僕だ!」 「俺だ!」 jisedai enparaa wa kono "boku da!" "ore da!"
悪戯して 悪ノリして itazura shite waru nori shite
ほら ほら 煽ってく Style で hora hora aotte ku sutairu de
1から100 いただきます ichi kara hyakuu itadaki masu
毎度ありがとうで君のm・・・ maido arigatou de kimi no m...
まさかの ひ、 引き分け!? masaka no hi, hikiwake!?
えーっ ee

Derivatives[]

Circus-P's Cover ft. Nekomura Iroha and SF-A2 miki
YouTube logo
[nn][yt]
Featuring
Producers
Categories VOCALOID Cover
Mahiruno's Cover ft. Utatane Piko and IA Type C
Niconico logo
[nn]
Featuring
Producers
Mahiruno (cover), UtauReizo (UST)
Categories VOCALOID Cover
ハス KEI's Cover ft. KAITO
YouTube logo
[nn][yt]
Featuring
Producers
ハス KEI (cover), KIRA (UST), Ekkoberry (UST)
Categories VOCALOID Cover
Description
KAITO V1 sings Rin's part, while KAITO V3 sings Len's part.
MelissaChao's Cover ft. Hatsune Miku and Kagamine Len
YouTube logo
[yt]
Featuring
Hatsune Miku and Kagamine Len
Producers
MelissaChao (cover, VSQx, PV), KIRA (UST), Ekkoberry (UST)
Categories VOCALOID Cover
anakin's Cover ft. IA and Yuzuki Yukari
SoundCloud logo
[sc]
Featuring
Producers
anakin (cover)
Categories VOCALOID Cover
Creuzer's Cover ft. Yuezheng Ling and Yuezheng Longya
bilibili logo
[bb]
Featuring
Producers
Kream (UST), Yuyan DX (video), Ouyoudafeiyang (illustrator), Guozhiliangcai (lyrics), Mobaiqiantu (collaboration), Creuzer (tuning, mixing)
Categories VOCALOID Cover
UtauReizo's Cover ft. Reizo Raine and Rena Raine
YouTube logo
[nn][yt]
Featuring
Reizo Raine VCV ver 2.0, Rena Raine VCV ver 1.5
Producers
UtauReizo (cover, UST, mixing)
Categories UTAU Cover
Tadashi's Cover ft. Yokune Ruko
SoundCloud logo
[sc]
Featuring
Producers
Tadashi (cover), YusukeKira (UST), EchoBlossom123 (UST)
Categories UTAU Cover

rachie & JubyPhonic's English Cover
YouTube logo
[nn][yt][sc]
Featuring
Producers
rachie, JubyPhonic (English lyrics)
Categories Human Cover; Alternative Language
Aho no Sakata and Uratanuki's Cover
Niconico logo
[nn]
Featuring
Categories Human Cover
Akio's Cover
Niconico logo
[nn]
Featuring
Akio
Categories Human Cover
AquShio's Cover
YouTube logo
[yt]
Featuring
Aqushio (Murasaki Shion (as Rin), Minato Aqua (as Len))
Producers
近所のにーちゃん (movie), ずみちり (illust), ごず (mix), Kijibato (instruments)
Categories Human Cover; Fanmade PV; Parody
Description
A cover released during Murasaki Shion's birthday, featuring additional vocals by Minato Aqua; the cover alters the lyrics to more closely reflect the two's "Neighbor Wars" in Minecraft.
FOXDEMON's Cover
YouTube logo
[yt]
Featuring
FOXDEMON (Shirakami Fubuki (as Rin), Aragami Oga (as Len))
Producers
iimo (movie), 疾狼 (illust), Bernis (mix), HAMA (instruments)
Categories Human Cover; Fanmade PV
Kogeinu and 96Neko's Cover
YouTube logo
[yt]
Featuring
Categories Human Cover
Kureiji Ollie & Astel Leda's Cover
YouTube logo
[yt]
Featuring
Producers
Farhan Sarasin (mix), Kurumitsu (illust), Rumskii (video)
Categories Human Cover; Fanmade PV
ARSMAGNA's Dance Cover
YouTube logo
[nn][yt]
Featuring
Kagamine Rin, Kagamine Len
Producers
Categories Dance Cover
K'suke & Aoi's Dance Cover
Niconico logo
[nn]
Featuring
Kagamine Rin, Kagamine Len
Producers
K'suke (choreography, dance), Aoi (dance), Kamakiri (shooting)
Categories Dance Cover

25Shitsuji's Guitar Arrangment
Niconico logo
[nn]
Producers
25Shitsuji
Categories Arrangement

Nattou Cheese's MMD PV
Niconico logo
[nn]
Featuring
Kagamine Rin, Kagamine Len
Producers
Nattou Cheese (video), Stylish-P (motion)
Categories MMD PV
ZarlaSheenaza's PV
YouTube logo
[yt]
Featuring
Uratanuki, Akio
Producers
ZarlaSheenaza (video), Uratanuki, Akio (audio)
Categories PV
Ace Attorney PB
YouTube logo
[yt]
Featuring
Rachie, Jubyphonic
Producers
Griffin Huntress
Categories Parody; PV
Description
A PV of the song, using actual in game footage of Ace Attorney.

__'s Cover
Niconico logo
[nn]
Featuring
Producers
Hanzo (mixing)
Categories Human Cover; Parody
Description
Underbar's Freedom cover of Okochama Sensou.
Cupula & Mentoku's Cover
Niconico logo
[nn]
Featuring
Cupula, Mentoku
Categories Human Cover; Parody

Other media appearances[]

Discography[]

This song was featured in the compilation album Download feat. 初音ミク.

Concerts[]

This song was featured in the following concerts:

Video games[]

This song was featured in the following video games:

CHUNITHM Series[]

  • CHUNITHM STAR / STAR PLUS
  • CHUNITHM AMAZON / AMAZON PLUS
  • CHUNITHM CRYSTAL / CRYSTAL PLUS
  • CHUNITHM PARADISE / PARADISE LOST
  • CHUNITHM NEW / NEW PLUS

maimai Series[]

  • maimai ORANGE / ORANGE PLUS
  • maimai PiNK / PiNK PLUS
  • maimai MURASAKi / MURASAKi PLUS
  • maimai MiLK / MiLK PLUS
  • maimai FiNALE
  • maimai Deluxe / Deluxe PLUS
  • maimai Deluxe Splash / Splash PLUS
  • maimai UNiVERSE / UNiVERSE PLUS

O.N.G.E.K.I. Series[]

  • O.N.G.E.K.I. PLUS
  • O.N.G.E.K.I. SUMMER / SUMMER PLUS
  • O.N.G.E.K.I. R.E.D. / R.E.D. PLUS
  • O.N.G.E.K.I. bright / bright MEMORY

Other games[]

Gallery[]

External links[]

Official[]

Unofficial[]

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