j'adore the name!
You'll be extremely lucky (and cautious) spending £10 each at Yo Sushi. If you're not too hungry, I'd say average spend £15/person. If you're hungry, honestly, don't even think of going to Yo Sushi because you will pay A LOT! :D
OK, so for two kids you have to spend £20 to qualify for the promo. hmm no thanks.
Poor pescetarian options for the kids mains. I'll just take them to KFC!