Qwai (クワイ) is a Japanese rock band signed to Sony Records in 2010. All members are from Kofu, Yamanashi. Members *大久保良一 Ookubo Yoshikazu guitarist.
*雨宮鉄也 Amemiya Tetsuya drummer.
*井上雄太 Inoue Yuuta based chorus.
*永田利之 Nagata Toshiyuki guitar chorus. In February 2010, their major debut single "サヨナラの空" became the 16th EP of Gintama, a Japanese anime. official website : http://www.qwai.jp/