Hashimoto, an average salaryman, works under the harsh leadership of his high-spec and handsome demon boss, Shirase-san, day by day. The only thing Hashimoto looks forward to is to talking to his gaming friend who he met online, UMA, complain to him about his boss, and joke around together with him. Feeling at ease around him, Hashimoto eagerly plans for his offline meeting with UMA with high hopes, but...?! (Source: Ichijinsha, translated)