I love that this restaurant is located right near the mall. Looked up "sushi" near Sun Prairie and Takumi popped up on Yelp. Walked into to modern decor, a great seating arrangement, and friendly staff. I would say this is a family friendly restaurant...my kids we're being absolute angels (sarcasm) and the waiter was extremely kind.
Came here to specifically eat sushi, but there is a hibachi area located towards the back of the restaurant. There is also a sushi bar for all you single ladies and gents. An awesome fish tank for you to stare at while your watching other people eat and patiently waiting to be seated.
Ordered four different rolls to try and a kids chicken hibachi meal all for about $60 and some change. I've tried 3 other sushi restaurants in Madison and this has to top the other guys by far. The rolls are generous in size and stuffed with filling. I love that they use fresh ginger and not the pickled pink stuff. My spouse said the wasabi was so good it opened up his sinuses. Taste tested my kids chicken from the hibachi - the chicken could've been stir-fried a little better and nothing fabulous about the sauce.
Would definitely come back for sushi.