Underbelly's tonkotsu ramen showcases a silky, pork-forward broth paired with tender chashu and carefully balanced toppings. The restaurant has built its reputation on delivering consistent, well-executed bowls in an atmosphere that ranges from casual to date-night appropriate depending on location. The North Park location offers a refined setting, while the Little Italy outpost channels authentic Japanese vibes. Reviewers highlight the quality of the broth and the thoughtful composition of each bowl.