Yep, closed down almost 10 years ago. Not bad sushi for the price
There was one in San Diego as well. Same owners as Onami, which was exactly the same layout. Believe it was like $22/24.
Best sushi places I've ever been to is a place in Riverside on Van Buren called Sushi Asahi. All you can eat for like $13 if you get there before 4. Best fucken hamachi I've ever had. Even after 4 it's only like $22. That's the place I learned to make "Diablo rolls", which is like 4 pieces of a California roll placed face up, covered in Japanese mayo, spicy mayo, and eel sauce and baked. Fucking delicious. I was never a fan of "cooked/heated/fried/baked" sushi till I had'em. You gotta eat a few of those first before going to the nigiri (hamachi, tuna etc.. and the tuna is always fresh and they don't use a huge egg sized piece of rice under the nigiri like a lot of places). Easy to get through 3-4 Diablo rolls and another 20 pieces of hamachi and maybe 6-10 tuna/maguru.. sometimes they'll have toro. Usually less than a 45min wait. Lotta college kids there usually.
Other one is Sushi Deli on Broadway in downtown San Diego. There's a Sushi Deli in Clairmont and one in Hillcrest but they're not as good for whatever reason. That's the place I learned how to make "California egg rolls" (cream cheese, crab, and avocado wrapped in wonton and fried.. dipped in eel sauce and spicy mayo). Best crunchy rolls I've ever had. And it's actually kinda cheap. Usually have at least a 30min wait no matter what time or day, up to an hour and a half fri/sat nights.