Hello, My Happy World

	Title	Hello, My Happy World ハロー、マイハッピーワールド
	Event type	Challenge Live
	Japanese version Open Japanese version
	Beginning	September 12, 2017 at 3:00 PM (Asia/Tokyo) September 12, 2017 at 6:00 AM (Local time) 8 years ago
	End	September 19, 2017 at 8:59 PM (Asia/Tokyo) September 19, 2017 at 11:59 AM (Local time) 8 years ago
	Leaderboard	Open leaderboard
	Rare stamp Let's make the world smile!
	Title
	Title Sekai Nobbinobi Treasure! (Worldwide Treasure!)
	Title Egao no Orchestra! (Orchestra Of Smiles!)
	Title Yi Er Fanclub (1, 2 Fanclub)
	English version Open English version
	Beginning	September 12, 2018 at 1:00 AM (UTC) September 12, 2018 at 1:00 AM (Local time) 7 years ago
	End	September 19, 2018 at 6:59 AM (UTC) September 19, 2018 at 6:59 AM (Local time) 7 years ago
	Leaderboard	Open leaderboard
	Rare stamp
	Title
	Title Sekai Nobbinobi Treasure! (Worldwide Treasure!)
	Title Egao no Orchestra! (Orchestra Of Smiles!)
	Title Yi Er Fanclub (1, 2 Fanclub)
	Taiwanese version Open Taiwanese version
	Beginning	March 14, 2018 at 3:00 PM (Asia/Taipei) March 14, 2018 at 7:00 AM (Local time) 7 years ago
	End	March 21, 2018 at 8:59 PM (Asia/Taipei) March 21, 2018 at 12:59 PM (Local time) 7 years ago
	Leaderboard	Open leaderboard
	Rare stamp Let's make the world smile!
	Title
	Title Sekai Nobbinobi Treasure! (Worldwide Treasure!)
	Title Egao no Orchestra! (Orchestra Of Smiles!)
	Title Yi Er Fanclub (1, 2 Fanclub)
	Korean version Open Korean version
	Beginning	July 18, 2018 at 3:00 PM (Asia/Seoul) July 18, 2018 at 6:00 AM (Local time) 7 years ago
	End	July 25, 2018 at 10:00 PM (Asia/Seoul) July 25, 2018 at 1:00 PM (Local time) 7 years ago
	Leaderboard	Open leaderboard
	Rare stamp Let's make the world smile!
	Title
	Title Sekai Nobbinobi Treasure! (Worldwide Treasure!)
	Title Egao no Orchestra! (Orchestra Of Smiles!)
	Title Yi Er Fanclub (1, 2 Fanclub)
	Participated events	1345 participated events View all
	Boost attribute	Cool
	Boost Members
	Cards
	Gift song Sekai Nobbinobi Treasure! (Worldwide Treasure!)
	Gacha MISAKI in da house!!! Gacha
	Add to your participated events	0
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Girls Band Party / Events list / Hello, My Happy World

Japanese version

English version

Taiwanese version

Korean version