Try the katsu curry ($7.50). "Flavored with pureed apples, ketchup, curry powder and garam masala, the brown gravy is sweet and mild & is popularly topped with tonkatsu, a breaded, fried pork cutlet." Read more.
While tonkotsu is most commonly associated with Japan's Hakata region, Terakawa has its roots in Kumamoto, a nearby prefecture known for its slightly milder variation on the style. Read more.