Wonderful World / Ça va ? Ça va ?

 (Wonderful World / How are you? How are you?) is Juice=Juice's 6th major single. It was released on April 8, 2015 in 6 editions: 2 regular and 4 limited editions. It became the group's first single to reach #1 on the Oricon charts, selling 34,127 copies in its first week.

CD Tracklists

 * Regular Edition A; Limited Editions A & C
 * 1) Wonderful World
 * 2) Ça va ? Ça va ?
 * 3) Wonderful World (Instrumental)
 * 4) Ça va ? Ça va ? (Instrumental)


 * Regular Edition B; Limited Editions B & D
 * 1) Ça va ? Ça va ?
 * 2) Wonderful World
 * 3) Ça va ? Ça va ? (Instrumental)
 * 4) Wonderful World (Instrumental)

DVD Tracklists

 * Limited Edition A
 * 1) Wonderful World (Music Video)
 * Limited Edition B
 * 1) Ça va ? Ça va ? (Music Video)
 * Limited Edition C
 * 1) Wonderful World (Dance Shot ver.)
 * 2) Wonderful World (Jacket and MV Making, Off-shot)
 * Limited Edition D
 * 1) Ça va ? Ça va ? (Dance Shot ver.)
 * 2) Ça va ? Ça va ? (Jacket and MV Making, Off-shot)

Event V "Wonderful World"

 * 1) Wonderful World (Miyazaki Yuka Solo Ver.)
 * 2) Wonderful World (Kanazawa Tomoko Solo Ver.)
 * 3) Wonderful World (Takagi Sayuki Solo Ver.)
 * 4) Wonderful World (Miyamoto Karin Solo Ver.)
 * 5) Wonderful World (Uemura Akari Solo Ver.)

Event V "Ça va ? Ça va ?"

 * 1) Ça va ? Ça va ? (Miyazaki Yuka Solo Ver.)
 * 2) Ça va ? Ça va ? (Kanazawa Tomoko Solo Ver.)
 * 3) Ça va ? Ça va ? (Takagi Sayuki Solo Ver.)
 * 4) Ça va ? Ça va ? (Miyamoto Karin Solo Ver.)
 * 5) Ça va ? Ça va ? (Uemura Akari Solo Ver.)

Featured Members

 * Miyazaki Yuka
 * Kanazawa Tomoko
 * Takagi Sayuki
 * Miyamoto Karin
 * Uemura Akari

Concert Performances

 * Wonderful World
 * Berryz Koubou Matsuri
 * Hello! Project Hina Fest 2015 ~Mankai! The Girls' Festival~
 * Juice=Juice First Live Tour 2014-2015 News=News ~Kakuchi yori Otodoke Shimasu!~
 * Juice=Juice Fast Live Tour 2015 ~Special Juice~
 * Hello Pro Kenshuusei Happyoukai 2015 ~Haru no Koukai Jitsuryoku Shindan Test~


 * Ça va ? Ça va ?
 * Berryz Koubou Matsuri
 * Hello! Project Hina Fest 2015 ~Mankai! The Girls' Festival~
 * Juice=Juice Fast Live Tour 2015 ~Special Juice~
 * Hello Pro Kenshuusei Happyoukai 2015 ~Haru no Koukai Jitsuryoku Shindan Test~

Single Information

 * Wonderful World
 * Lyrics, Composition: Iijimaken
 * Arrangement: gaokalab
 * Dance Choreographer: YOSHIKO
 * Ça va ? Ça va ?
 * Lyrics: Miura Yoshiko
 * Composition: Kawanabe Hiroshi, Ueda Tadashi
 * Arrangement: CMJK
 * Dance Choreographer: YOSHIKO

Trivia

 * This is their first single to not be produced by Tsunku.
 * This is their first single to reach number 1 on the Oricon Daily Chart.
 * This is their first single to reach number 1 on the Oricon Weekly Chart.

Oricon Chart

 * Daily & Weekly Rankings


 * Monthly Ranking


 * 2015
 * TBA
 * TBA
 * xx,xxx
 * }
 * }


 * Yearly Rankings

Total Reported Sales: 39,777*

Other Charts Rankings
!Ref
 * rowspan="14" |Japan
 * Billboard Japan Hot 100
 * align="center" |6
 * align="center" |
 * Billboard Japan Hot 100 Airplay
 * align="center" |42
 * align="center" |
 * Billboard Japan Hot Singles Sales
 * align="center" |4
 * align="center" |
 * Billboard Japan Adult Contemporary Airplay
 * align="center" |76
 * align="center" |
 * Countdown TV (TBS)
 * align="center" |1
 * align="center" | -
 * Tower Records
 * align="center" |1
 * align="center" |
 * CDTV
 * align="center" |1
 * align="center" |
 * colspan=4 align="center"|"Wonderful World
 * iTunes Top Songs
 * align="center" |66
 * align="center" |
 * }
 * align="center" |1
 * align="center" |
 * colspan=4 align="center"|"Wonderful World
 * iTunes Top Songs
 * align="center" |66
 * align="center" |
 * }
 * align="center" |
 * }