This can be caused by the miso soup of it isn't stored properly. Many Asian cuisine restaurants leave things out because they're used frequently. If you visited on a day with little traffic then it's possible what you ate was old despite tasting good.
Food Safety Report: JINYA Ramen Bar - Woodlands, Spring Stuebner Road, Spring, TX, USA
This can be caused by the miso soup of it isn't stored properly. Many Asian cuisine restaurants leave things out because they're used frequently. If you visited on a day with little traffic then it's possible what you ate was old despite tasting good.