Tonkotsu Kazan is a Japanese ramen shop on the first floor of a building near Asok Station in Bangkok, serving tonkotsu and spicy ramen. Its main dishes are soyu ramen, Kazan ramen, and spicy miso ramen, all served in a ttukbaegi. Raw garlic sits in water on the table and is crushed with a dedicated tool before being added. The samgyeopsal in the Kazan ramen is greasy.