Two-dimensional Yellow Hair System

In the Holy Grail War, who holds the artifact and beats everything? Gilgamesh! It’s yellow hair! It’s yellow hair! In the face of catastrophe, who can stand up and save the world? Kurosaki Ichigo! Uzumaki Naruto! It’s yellow hair! It’s yellow hair! It’s yellow hair! In front of the heroine, who can counterattack, the bull-headed protagonist? It’s yellow hair! It’s yellow hair! Who is Huangmao? I am Huangmao! - Description from novelcodex.org