Osamu Kasai - is a video game composer. Osamu Kasai began his career in 1988 and has worked for companies such as Nihon Falcom and NIHON FALCOM. Osamu Kasai's first game was Ys II: Ancient Ys Vanished - The Final Chapter which was released 35 years ago. Best Game Osamu Kasai contributed to was Ys II: Ancient Ys Vanished - The Final Chapter. Osamu Kasai's latest work is Ys II: Ancient Ys Vanished - The Final Chapter which was released 35 years ago.