Because humans are mostly made of water, and fish traditionally inhabit water, fish should naturally occur in the human body. Fix this gap in nature’s logic with today’s Groupon: for $15, you get $30 worth of fresh sushi, Japanese-style barbecue, and more from Otani Japanese Steak & Seafood in Chantilly. This deal is valid for the lunch buffet but not for dollar-sushi night. Reservations are required.

Otani harnesses the power of fire at hibachi-style tables. Watch as the expert chefs theatrically display knife and spatula work while slicing, dicing, and tossing fresh ingredients with a comedic flair. Otani's menu is filled with hibachiness. The hibachi steak entree is a perfectly grilled New York strip alongside flame-wilted soft veggies ($17.45). You can mix it up with a larger round of well-flame-licked treats such as the Tokyo shrimp, filet mignon, and scallops combo ($35) while taking in the warmth emanating from the restaurant's yellowish-brown walls.

For less-flamey fare, enjoy fresh, expertly rolled sushi. Chop your sticks in the direction of the roll of rolls, a standard California combo complicated by the presence of fried eel and freshly squeezed eel sauce ($11), or close your wooden claws around the Firecracker Roll with spicy crab and tuna, salmon, and tempura bits ($14). You can always opt to consume a flatty with a 20-piece assortment of fish-by-foot sashimi ($25), or nosh it burrito style with a spicy yellow-tail hand roll ($5.50).

Reviews

Yelpers and TripAdvisors like the entertaining hibachi chefs and give Otani Japanese Steak & Seafood an average of 3.5 stars:

• A dining adventure that is sure to be enjoyed. – johnc_19, TripAdvisor
• Like most teppan places, there is some theater involved in that the chef dazzles with his moves. ---tossing the knife and spatula in the air, also tossing the uncracked eggs in the air and catching them with the spatula. – Susan H., Yelp
• Been here for both dinner and lunch. I especially like their lunch buffet. – Cindy K., Yelp