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