He is a professional gamer who is a computer geek and is consistently described by the majority as a good-looking guy. He is also a well-known gamer who is funded by sponsors. Yamada actually finds it hard to deal with people because he is introverted and nonchalant. However, his quiet and blunt nature can sometimes be misinterpreted by those around him as rudeness or coldness. Although he is always stoic and emotionless, he is calm and calculated.