Tanaka Soba is a tonkotsu ramen and chuka soba shop in the Tokyo Gourmet Stadium food court on the second floor of DiverCity Tokyo Plaza in Aomi, Koto City. Its broth is boiled for three days from every part of the pig, and the noodles are extremely thin and shipped directly from Fukuoka. The shop also serves a spicy miso ramen. The chashu is grilled in a dedicated kiln, and the meat soba comes with three slices of chashu, while the tonkotsu broth has a strong smell.