Hello, Happy World! - Worldwide Treasure! (instrumental) Share: Download MP3 Hello, Happy World! more songsView all Listen to Smile! Hello, Happy World! 01:10 Shin Takara Jima (Cover) Hello, Happy World! 01:10 Life is Musical♪♪♪ Hello, Happy World! 01:10 Connect and Smile Hello, Happy World! 01:10 Our Summer's☆Showtime!! Hello, Happy World! 01:10 Let's Samba de Happy! Hello, Happy World! 01:10 Kyu-kurarin (Cover) Hello, Happy World! 01:10 You, Let’s Have Fun ♪ (instrumental) Hello, Happy World! 01:10 Smile, Are You Ready??? (instrumental) Hello, Happy World! 01:10 Thoughtful Harmony (instrumental) Hello, Happy World! 01:10 Similar ArtistsPastel*Palettes Afterglow Poppin'Party Roselia Kasumi Morfonica RAISE A SUILEN Aya Glitter*Green Saya Yamabuki (CAST:Ayaka Ohashi)
