Monster Tales - Nightmare Episode 6 “The Seven People of Nagi”

A calm seaside town at the end of the rainy season — “I” returned home for the first time in two years to clean up my grandmother's house, who passed away three months ago. The old lady next door admonishes me not to go down to the beach in the evening, but in my grandmother's old diary, the name of her younger sister “Masago,” who disappeared on the beach when she was young, and a trembling party saying “if you can return Masago” were left.