"I know I'm a bit of a weeb, but I'm looking forward to working with you!" Ms. Mamiya, a senior employee with big breasts and a beautiful face, has moved into the seat next to Fujishiro, a working adult in the shadows. While hiding the fact that he is "Nisemono-san," an influencer whom Mamiya-san admires, he weaves a gem of an office love comedy with Mamiya-san and other unique heroines such as her colleague, a cool beauty, and a high school girl who is a good tease!