Marinate minced pork for 20 minutes. Chop tentacles into very small pieces.
Cook pork and chopped tentacles in a pan and then mix with cooked rice. Season with salt.
Stuff the calamari tubes. Fill the calamari tubes only 70% and close with toothpick.
Steam for 10 minutes. Mix Teriyaki Sauce and set aside.
Drizzle oil into a pan and brown the stuffed calamari. Add sauce and continue cook for a minute.