A fiery flourish and the rhythmic clanging of utensils on a hibachi grill top livened up a recent lunch on an otherwise wet, dreary day on Madison’s east side. Inside a former Doolittles Woodfire Grill franchise in one of the outbuildings at East Towne Mall, the new Niji Asian Cuisine has taken advantage of more than 8,000 square feet of space to install four hibachi grill tables, a few of which are always available for lunch.