Hakata Ikkousha Ramen is a ramen shop in Singapore serving Japanese-style tonkotsu ramen. It offers a signature ramen, karamiso, and Hakata ramen Akakara, and customers can choose noodle firmness and salt level. The tables hold spicy dried vegetables and ginger, and payment is cash only. The tonkotsu broth is rich, though the default salt level can taste salty.