Hungry time is happy time!

Yuzuru Okazaki, who works at a video game company, is a lonely company worker who is not good at socializing with others. His only bliss at the office is to eat his lunch box, which he makes by himself! One day, while he was having his usual happy lunch time, an intruder, Maria Sakaue, an idol of the PR department, came to ruin it. What's more, she is demanding that I give her my lunch box...?