Prepare and slice the enoki mushrooms, onion, and green onion.
Heat cooking oil in a pan and stir-fry the onion and green onion.
Add the enoki mushrooms and stir-fry together.
Season with soy sauce, sugar, and cooking wine.
When the ingredients are cooked through and well seasoned, turn off the heat.
Serve the sautéed enoki mushrooms over rice and finish with sesame oil and sesame seeds.