Complex sentence: As supporters for the Japanese Volleyball-Team for the FIVB World Grand Prix 2009, he performed during summer 2009 with Yamada Ryosuke and Nakayama Yuma w/B.I.Shadow as members of the temporary group NYC boys.
Split into simpler sentences: As supporters for the Japanese Volleyball-Team for the FIVB World Grand Prix 2009. He performed during summer 2009 with Yamada Ryosuke and Nakayama Yuma w/B.I.Shadow as members of the temporary group NYC boys.