Egao no Orchestra! / Hello, Happy World! / えがおのオーケストラっ! / ハロー、ハッピーワールド! / Egao no Orchestra! / Hello, Happy World!

Hello, Happy World! is Kokoro Tsurumaki (CAST: Miku Ito), Kaoru Seta (CAST: Azusa Tadokoro), Hagumi Kitazawa (CAST: Yuuri Yoshida), Kanon Matsubara (CAST: Moe Toyota), Michelle (CAST: Tomoyo Kurosawa)

M-01
Lyrics: Asuka Oda (Elements Garden)
Composition & Arrangement: Hitoshi Fujima (Elements Garden)

Bass: Ryuji Momoyama
Guitar: Jun Anazawa

All Other Instruments & Programming: Hitoshi Fujima

Mixed by Eiichi Nishizawa
Directed by Hitoshi Fujima
Recorded at ARIA studio
Sound Produced by Elements Garden
Production Management: Asami Suita (ARIA entertainment)

M-02
Lyrics: Asuka Oda (Elements Garden)
Composition & Arrangement: Hitoshi Fujima (Elements Garden)

Bass: Ryuji Momoyama
Guitar: Jun Anazawa

All Other Instruments & Programming: Hitoshi Fujima

Mixed by Eiichi Nishizawa
Directed by Hitoshi Fujima
Recorded at ARIA studio
Sound Produced by Elements Garden
Production Management: Asami Suita (ARIA entertainment)

M-05 - Drama
Script: Craft Egg
Voice Edit/Effects: 浦野睦司
Coordinator: 中野博 (S-Prism)


Producer/A&R: Atsushi Ota
Promotion: Yumiko Nakane (Bushiroad Music), 中山多絵 (Bushiroad Music), Shuji Yoshimura (Bushiroad Music), 今野江里子 (Bushiroad Music), Kyo Ito (Bushiroad Music)

Mastering Engineer: Takeo Kira (Mastering Studio TEMAS)

Jacket Designer: Yoshiko Tokutake (5SPICE DESIGN)
Illustration: Craft Egg

Executive Producer: Takaaki Kidani (Bushiroad)
Advisory Producer: Keiichi Totsuka (Bushiroad Music)

Special Thanks: BanG Dream! Project, Craft Egg, All BanG Dreamers