La Yeon(라연) Korean Cuisine at The Shilla Seoul.

https://guide.michelin.com/kr/ko/seoul-capital-area/kr-seoul/restaurant/la-yeon

Dinner course: $200 USD per person

Stay(스테이) Western restaurant at Signiel Seoul Hotel in Lotte World Tower. Michelin 3 Star. Nice break away from only eating Asian food. https://www.lottehotel.com/seoul-signiel/ko/dining/restaurant-stay-modern.html Dinner course: $200 USD per person.

Bicena(스테이) Korean restaurant at Signiel Seoul Hotel in Lotte World Tower. Full Korean traditional course meal. https://www.lottehotel.com/seoul-signiel/en/dining/restaurant-bicena.html Dinner course: $300 USD per person.

Jungsik Seoul(정식당) Korean fusion restaurant in Gangnam-gu, Seoul. Fine dining restaurant located at Chungdam-dong, a super rich area.

https://www.jungsik.kr/ Dinner course: $200 USD per person

Kojima(코지마) best omakase restaurant in Gangnam-gu, Apgujeong. Michelin 1 Star. Managed under 30-year apprentice Chef Park. The only Michelin-certified Sushi place. https://kojima.modoo.at/ Dinner course: $350 USD per person.

Ariake(아리아케) is another high-tier omakase place in The Shilla Seoul. https://www.shilla.net/seoul/dining/viewDining.do?contId=ARI#ad-image-0 Dinner course: $150 USD per person

Golden Dragon(금룡) top Chinese-Korean restaurant at Grand Walkerhill Seoul hotel. Lowkey kind of far from where you are staying. https://www.walkerhill.com/grandwalkerhillseoul/dining/Geumryong Dinner course: $400 USD per person.

Woo Rah Man(우라만) Korean Beef Omakase Restaurant in Yongsan-gu, is relatively closer to FOUR SEASONS.