Turns Out My Online Friend is My Real-Life Boss! manga volume 1 features story and art by Nmura.

Hashimoto is a perfectly average salaryman, working a repetitive office job, made all the worse by his stylish, strait-laced boss, who insists everything be done by the book. Whatever he does for this perfectionist, it's just not good enough! Thankfully, Hashimoto can go home to his favorite online video game, where he can unload on the forgiving shoulders of his best friend, whom he knows only by the name “Uma.” The duo make plans to meet in person, but when they do, Hashimoto is horrified by a revelation that will change his entire life…