I'm Gonna Serve You 4

My name is Aoyama Kouji. I'm an ordinary guy living an uneventful life as a university student. Because my parents are separated, my uncle, a somewhat strange man who runs a restaurant, has taken the role of being a father to me. Although it's hard work, I actually like helping out at the restaurant from time to time. One day, while walking with Himeko, who I've been friends with since childhood,...