O-Ku
Charleston, SC · Japanese
Tier 3 · Menu claim only What the tiers mean
Wagyu from $9 on the menu we read · up to $21
This listing's current published materials advertise Wagyu, but the offering does not meet our full verification standard for provenance. It carries no authenticity badge; undisclosed details remain explicitly unverified.
Why it's listed
The original Charleston location of the O-Ku sushi group, on King Street, open nightly from 5pm with a happy hour early in the week. Wagyu runs through six dishes on the Charleston menu: wagyu dumplings at $21, an A-5 Wagyu sando at $90, an A5 Wagyu toban yaki at $34 per ounce with a two ounce minimum, a seared A-5 Wagyu with foie gras at $21, an A-5 Wagyu temaki at $17, and Wagyu nigiri at $9. The grade A5 is stated repeatedly. No prefecture, farm or brand appears anywhere on the menu.
Authenticity flags
- The menu lists A5 Wagyu across six dishes and describes the beef as "highest quality Japanese black cattle", which names the breed rather than where the cattle were raised. No prefecture, farm or brand is given for any of them. Ask which prefecture the A5 comes from if that matters to you.
Wagyu on the menu
- Japanese
- Brand / Prefecture
- Not listed
- Grade
- A5
- Producer
- Not listed
| Origin | Brand / Prefecture | Grade | Producer |
|---|---|---|---|
| Japanese | Not listed | A5 | Not listed |
The experience
New to these? Ways to eat Wagyu
Evidence on file
“Toban Yaki [section] A5 Wagyu - highest quality Japanese black cattle (2 oz min.), shallots, truffle butter - Per Oz $34”
o-kusushi.com “A-5 Wagyu Sando - buttered milk bread, black garlic wasabi aioli, sturgeon caviar, shiso leaf - $90”
o-kusushi.com “Wagyu Dumplings - A5 wagyu, ginger, cabbage, scallion, honey miso ponzu sauce - $21”
o-kusushi.com
+2 more quotes on fileShow fewer
“A-5 Wagyu - Seared, soy glaze, pickled wasabi stem, foie gras - $21 ... A-5 Wagyu - truffle-ginger butter, chives - $17 ... Wagyu (Beef) - $9”
o-kusushi.com “463 King Street, Charleston, SC 29403 (843) 737-0112 Sunday through Thursday 5:00 PM - 10:00 PM Friday & Saturday 5:00 PM - 11:00 PM”
o-kusushi.com
Quoted from the venue's own menu or site. A Wagyu claim on a menu is not the same as documented provenance.
Something wrong with this restaurant? Tell us
Common questions
- Does O-Ku serve real Wagyu?
- Its own current menu advertises Wagyu, and that claim was read directly on July 22, 2026. What the menu does not do is say which Wagyu: no prefecture, grade, breed status or producer is published, so the sourcing cannot be checked from outside. That is a gap in what is written down rather than a suggestion that anything is wrong with the beef, and plenty of kitchens buy carefully without printing the details.
- What kind of Wagyu does O-Ku serve?
- Its menu discloses A5 Japanese. Each of those is taken from the venue's own current materials rather than from a review or a listing site, and the evidence behind it is quoted further down this page.
- Why is O-Ku listed without a Wagyu badge?
- Because a badge here means the sourcing was checked, not that the food is good. This listing is published because the venue genuinely advertises Wagyu on its own current material, and it carries no badge because that material does not say which Wagyu. If the venue publishes the prefecture, grade, breed status or producer, the listing can move.