Masaaki Endoh
are a rock duo consisting of vocalist and guitarist . Originally consisting of six members, YOFFY and IMAJO are the only two who remained for their rise to fame. Much of their work has been featured as opening and closing themes of Japanese television series and Anime. YOFFY has also worked with Eizo Sakamoto (vocalist of Anthem and Animetal), Masaaki Endoh, Sakura Nogawa, Ai Tokunaga, Ryoko Shintani, Mayumi Gojo, Sister MAYO, and Yukari Fukui on other projects. The group is also part of the Project.R supergroup.