Gugure! Kokkuri-san S01 E02 A Refreshing Smile is the First Step Towards Becoming a Real Human!

One day while out for a walk, Kohina discovers a suspicious man in a suit holding his knees and sitting inside a cardboard box. Kohina accidentally makes eye contact with the man and he follows her home, where he is revealed to be "Inugami", a dog ghost who ruins those he haunts!