For many years, I had been a timid and unimpressive character in my hometown. But this spring, at university, I got my first ever incredibly cute girlfriend. Her name is Ayuri-chan, and she is a super serious and innocent-looking girl, reminiscent of a proper young lady. One day, while I was spending time with her, out of nowhere, the notorious DQN known as "Wani-guchi-senpai," famous for being the wildest in the prefecture, came to collect party tickets... Somehow, I managed to get him to leave, but later, I was told to bring her along...!