Renga Sukiyaki is a Kansai-style sukiyaki specialist on Soi Chue Chit, the quiet alley that branches off Phahon Yothin 7 in Ari. The move here is the Kansai technique: slices of beef hit a hot pan with sugar and rendered fat first, caramelising on the surface, and the broth goes in after. It gives the meat a deeper, sweeter edge than the Kanto simmer-in-broth style you find at most Bangkok sukiyaki houses.
The meat programme does the heavy lifting. You pick from Japanese A5 Kagoshima wagyu (including the chuck roll cut), Kamimura F1 wagyu, Australian wagyu, French Charolais outside round, and Kurobuta black pork, all sliced to order. Three broths are on offer: the classic sukiyaki warishita, a dried-fish niboshi clear soup, or a kombu seaweed broth for people who want the meat to stay the loudest thing in the bowl. Every set comes with Moritama raw egg yolk for dipping, and appetisers and side dishes refill without charge.
Renga Sukiyaki sits at a 4.9 average across more than 3,400 Google reviews, and Thai reviewers on Wongnai and Lemon8 keep pointing at the same things: the Kansai sear, the cut of the sliced beef, and how far a 259 THB lunch set goes.
You walk into a small, warm dining room finished in wood and brick, with tables set up for individual pans rather than a communal hotpot. A server brings the pan, the fat, and a pinch of sugar, sears the first slices at the table, then adds the broth of your choice once the surface has caught colour. After that you cook the rest at your own pace, dunking each slice in the Moritama yolk before eating.
Service is set-based, not all-you-can-eat, but the free-refill appetisers and sides keep the table moving between rounds of beef. Lunch runs quicker and draws a mix of Ari office workers and local families; dinner is slower, more couples and small groups, and the A5 sets come out more often. Book ahead on Friday and Saturday nights, or arrive right at 11:00 AM for a walk-in lunch seat.
The Kagoshima Wagyu A5 Sukiyaki Set is the headline order, built around Japanese A5 Kagoshima beef with the chuck roll cut seared in sugar and fat before the warishita hits the pan. For guests who want the same Kansai treatment at a gentler price, the Kamimura F1 Wagyu Set runs mid-grade F1 wagyu through the identical technique. The Kurobuta Pork Set swaps in premium Japanese black pork sliced to order and cooked either sukiyaki- or shabu-shabu-style, which is a genuinely different texture from the wagyu options. Charolais Outside rounds out the beef menu with a leaner French cut for people who don't want every slice marbled. At lunch, the set from 259 THB gives you a choice of broth, a mixed-beef plate, and free-refill sides, which is why the weekday queue builds early.
Renga Sukiyaki is on Soi Chue Chit, a small lane off Soi Phahon Yothin 7 in Ari, about a five-minute walk from BTS Ari exit 3. Head down Phahon Yothin 7 past the usual Ari cafe strip and the sign sits on the right, near the top of the soi. It's a short taxi or Grab hop from Saphan Khwai or Sanam Pao BTS as well, and this Japanese sukiyaki restaurant in Ari, Bangkok is easy to pair with a coffee or dessert stop in the neighbourhood afterwards.
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