What is h*ntai

Is the title a serious question?

It's anime porn

yep
look it up it's adorable chickens wearing ties

In octodad, you can collect ties. One of them is called the Hen Tie. My sister (8 years old) and I were playing co-op, when suddenly she yells "I got the Hen Tie!" My dad looked at us like "umm..." and I said "JUST COME HERE AND LOOK AT THIS!"