This is a small, one-man operation (or was when I was there) where the chicken is cooked on a propane grill in front of the store front cafe. Inside the small shop are a couple of tables, a small cooler of drinks and a rack of candies. My guess is that much of his business comes from students are the nearby high school on their lunch break.
The menu includes several types of sushi and teriyaki chicken over rice. I ordered the chicken. A generous amount of meat was served over lots of rice in a oblong styrofoam container.
Teriyaki is a marinating sauce: the meat should be soaked in it before grilling. At this place, like most such fast food local "bento" establishments, the sauce was squirted over the meat and rice before serving. (I don't care for rice saturated with sauce.)