Cut pork into 1-inch pieces
Peel and cut ginger into slices. Using the green part only, cut scallions into 2 inch segments
Switch Instant Pot to Saute' function and add oil to pot. When the oil is hot, add pork and brown (3-5 minutes). Add water to pot to cover the pork. Add green onions and ginger to pot.
Cover Instant Pot and seal, make sure the knob is set to sealing. Cancel saute' function and set function on stew/meat (35 minutes)
When the pork is finished, carefully vent to quick release pressure. Drain pork. Add seasoning ingredients to the Instant Pot and return pork to pot. Add soft boiled eggs to pot unless seasoning them separately. See notes.
Seal and set pot on stew/meat function and set time to 10 minutes. When finished, quick release vent pot.
Remove pork and eggs from pot. Taste the seasoning liquid, if it seems to dilute, set pot on saute' and reduce. Reserve sauce for serving.
Serve pork and eggs over rice or ramen. Garnish with Shichimi Togarashi. Drizzle sauce over rice and serve with mustard. Enjoy.