Hello, Happy World! - Worldwide Treasure! Share: Download MP3 Hello, Happy World! more songsView all Listen to Smile! Hello, Happy World! 01:15 Shin Takara Jima (Cover) Hello, Happy World! 01:15 Life is Musical♪♪♪ Hello, Happy World! 01:15 Connect and Smile Hello, Happy World! 01:15 Our Summer's☆Showtime!! Hello, Happy World! 01:15 Let's Samba de Happy! Hello, Happy World! 01:15 Kyu-kurarin (Cover) Hello, Happy World! 01:15 You, Let’s Have Fun ♪ (instrumental) Hello, Happy World! 01:15 Smile, Are You Ready??? (instrumental) Hello, Happy World! 01:15 Thoughtful Harmony (instrumental) Hello, Happy World! 01:15 Similar ArtistsPastel*Palettes Afterglow Poppin'Party Morfonica Roselia Kasumi RAISE A SUILEN Aya Arisa Ichigaya (CAST: Ayasa Ito) Happy Around!
