Ryohei Hayashi - is a video game writer. Ryohei Hayashi began his career in 2018 and has worked for companies such as KOEI TECMO America, Koei Tecmo, SEGA and Koei Tecmo Games. Ryohei Hayashi's first game was Attack on Titan 2 which was released 6 years ago. Best Game Ryohei Hayashi contributed to was Attack on Titan 2. Ryohei Hayashi's latest work is Attack on Titan 2 which was released 6 years ago.