It has been a long day. 4am wake-up call. 5am to Tsukiji. Lunch at Akihabara. Coffee at Shibuya. Our legs are aching, shoulders sore from the weight of our backpacks ... no more energy to figure out what to choose from the menu. To do that, we walk into this restaurant that only specialise in Unagi bento set. The only choice is Small, Medium or Large....