Aji no Daio Muroran Honten
Founded in 1972, this legendary shop is credited with popularizing Muroran Curry Ramen. Their unique broth simmers 11 types of curry spices with onions and fruit for 3 hours, then pairs with thick curly noodles made from Hokkaido wheat. Lunch-only service — packed every day on weekdays, lines on weekends. Selected as Ramen 100 Famous Shops 2025. ~5 min walk from JR Muroran Station. Operations continue despite the passing of the founder.
"If you come to Muroran, this is it. Real curry ramen with a lunchtime queue." "The spice blend is uniquely their own and impossible to replicate. Curly noodles absorb the curry perfectly." "Packed even on weekdays — lots of local regulars."