Ramen Renge is a ramen shop in Fukuoka that serves tonkotsu, shio, and shoyu ramen, along with mazesoba and gyoza. It sits in an alley off the Tenjinbashiguchi intersection in Tenjin, near Tenjin Station and the Kita-Tenjin bus stop. The tonkotsu has a creamy, thick broth, while the shio ramen comes with a clean broth topped with chashu. Orders are placed by QR code after being seated, and the seasoning is on the strong side.