There are several anime and manga characters that exhibit autistic traits but because Japanese culture does not recognize autism as a real disorder, they do not say the character is autistic. For a better understanding of this read With the Light: Raising an Autistic Child” by Keiko Tobe. As a parent that has raised two autistic children, I am very familiar with autistic traits and behaviors. A good example of an autistic in anime would be The Pet Girl of Sakurasou. Mashiro is a famous artis can make amazing paintings and manga but is incapable of handling most day-to-day functions and does not understand emotions and social interactions.