Fill a large pot with water and bring to a boil
Remove eggs from fridge so they're not ice cold
Tap the base of the egg to help with peeling
Drop eggs into boiling water and cook for exactly 7 minutes
Remove eggs and place in an ice bath to chill
In a deli container, combine soy sauce, mirin, sake, sesame oil, and sugar
Carefully peel the cooled eggs
Place peeled eggs into the marinade
Top with water and a paper towel
Let sit in the fridge overnight before serving
