PANCO.

Socially awkward Aono was perfectly happy working in Quality Control as but fate would have it he's been transferred to the Sales Department?? As if being ridiculed by his co-workers for his nervous stutter isn't bad enough, he's thoroughly mortified

Tattoo artist Shidou is very negative and unsociable. He can't call people close to him friends and he has no lovers. Even when he feels lonely, he only goes for one-night stands. But then Takita, whom Shidou had slept with previously, approaches him