This video, titled "Haijima's "HAIDEN KOKKO FACTORY Ramen RIRIY" Is a Famous Ramen Shop Where You Can Enjoy It to the Very End! Ramen King Takeshi Yamamoto, Great Ramen King" (拝島「ハイデン.コッコFACTORY らーめん 凛々」ラーメンなのに、最後にはアレが楽しめちゃう魅惑の名店！ラーメン王・山本剛志さん、ラーメン大王・小), was released by "ramenwalker."
This video introduces HAIDEN KOKKO FACTORY Ramen RIRIY.
The soup is made from a lavish broth with a seafood taste, made from Hinai-Jidori chicken from Akita Prefecture, soy sauce, and chicken fat.
It's worth mentioning that there's a "soup-wari" event, where you can enjoy 10 different types of soup that change daily.

In this video, you can see a detailed explanation of HAIDEN KOKKO FACTORY Ramen RIRIY, so if you're interested, be sure to check it out.