The Helpful Fox Senko-san

Kuroto Nakano's job is a significant source of stress in his life, but he's forced to keep going on his own since he lives alone. This stress has a physical manifestation in the form of darkness within an individual's body that can ultimately lead to their demise. Senko-san, an 800-year-old fox deity, has the ability to perceive this darkness and is tasked with saving people from its destructive effects. As a result, she decides to take Kuroto under her care to help alleviate his stress and anxiety.