Heat grill to medium. Mix together shoyu, mirin and sugar to taste. Brush mochi with oil; place on grill 2 inches apart. Grill until golden brown and crisp on the outside, and gooey inside, flipping often. Brush with sauce and grill for 1-2 minutes or until caramelized. Remove from grill, sprinkle with sesame seeds, and wrap in nori. Drizzle with honey (optional). Makes 10 wraps.
Approximate Nutrient Analysis per serving (not including sugar to taste or optional honey):
120 calories, 1 g fat, 0 g saturated fat, 0 mg cholesterol,150 mg sodium, 24 g carbohydrate, 0 g fiber, 0 g sugar, 2 g protein.