Wako Donkasu – Wilshire Address: 3377 Wilshire Blvd Phone Number: (213) 381-9256 (2 votes, average: 1.00 out of 5)Loading... The other Wako Donkasu location is on Olympic. Known for handing out bowls in which customers crush sesame seeds for the tonkatsu sauce. Open from 12 noon to 9:00 pm seven days a week. Posted in RESTAURANTS and tagged Brown Derby Plaza, Korean, tonkatsu, Wako Donkasu.