1. Trim off the roots of mizuna, and then chop it. Add soy sauce, sugar, miso sauce, olive oil and mix well, then add lemon juice and mix well. Let it stand for 10 minutes until well flavored.
2. Trim stem off from the eggplant and then cut in half, use knife to score the skin of eggplant, and then cut into pieces.
3. Add white vinegar into boiling water, add eggplant, add a heavy object to keep the eggplants submerged in water, boil for about 3-4 minutes until cooked, remove and drain, set aside.
4. Transfer the eggplants on the plate and then add mizuna on the top. Done.