High Five ∞ Adventure / Hello, Happy World! / ハイファイブ∞あどべんちゃっ / ハロー、ハッピーワールド! / High Five ∞ Adventure / 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
Composer: Yuta Kasai (Elements Garden)
Arranger: Yuta Kasai (Elements Garden)
Lyricist: Asuka Oda (Elements Garden)
Guitar: Jun Anazawa
Bass: Ryuji Momoyama
All Other Instruments & Programming: Yuta Kasai
Mixed by Eiichi Nishizawa
Directed by Yuta Kasai
Recorded at ARIA studio
Sound Produced by Elements Garden
Production Management: Asami Suita (ARIA entertainment), Kurumi Sakamoto (ARIA entertainment)

M-02
Composer: Yuta Kasai (Elements Garden)
Arranger: Yuta Kasai (Elements Garden)
Lyricist: Asuka Oda (Elements Garden)
Guitar: Kyoichi Miyazaki
Bass: Toshino Tanabe
All Other Instruments & Programming: Yuta Kasai
Mixed by Kazunori Okamoto
Directed by Yuta Kasai
Recorded at ARIA studio
Sound Produced by Elements Garden
Production Management: Asami Suita (ARIA entertainment)


Producer: Shuji Yoshimura
Director: Tae Nakamura
A&R: Yi Wang
Technical Director: Shunsaku Hirai
Design Coordinator: Eri Handa

Sales Promotion: Nobuhiro Ogawa, Rina Suzuki, Kyo Ito, Chie Nagasaku, Kanna Miyagawa
Promotion Support: Yumiko Nakane, Yuya Kasasaku, 島内美祐
Production Management: Takeya Kinbara

Mastering Engineer: Takeo Kira (Mastering Studio TEMAS)

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

Executive Producer: Takaaki Kidani, Kazushi Miyakoda

Special Thanks: BanG Dream! Project, Craft Egg, SANZIGEN Inc., ESP Co.,Ltd., Roland Corporation, Pearl Musical Instrument Co., Moridaira Co., Ltd, Drum Workshop, Inc., Pioneer DJ, All BanG Dreamers