Tenjin Ramen is a Japanese ramen restaurant near Yeongdeungpo-gu Office in Seoul that serves Hakata tonkotsu-based ramen. Customers grind garlic themselves and choose how long the noodles are boiled, and gyoza and kara ramen are also sold. The small space has seats for one and two people, with Japanese-style interior and Japanese music. The ramen portions are on the small side.