Morning Musume. 2012 Spring ~Ultra Smart~ Niigaki Risa & Mitsui Aika Sotsugyou Special 10th Gen Debuts in Morning Musume.’s Niigaki Risa & Mitsui Aika’s Graduation Concert held at Nippon Budokan. You may also like Greatest Heroes and Legends of The Bible: Jonah and the Whale The Matchmaker