Nakau has "Oyakodon with 4 kinds of cheese" for a limited time-mozzarella, red cheddar, etc.
Nakau will sell "Oyakodon with 4 kinds of cheese", which is made by adding cheese to "Oyakodon", for a limited time. Use Gouda cheese, red cheddar cheese, mozzarella cheese, and parmesan cheese to get the taste of cheese that Japanese people like.