Comic book series : Junji Ito

Every night, a young man hears children playing outside of his boarding house. But the alley below his window is fenced off from the world. What secret lies within the stains on the alley's walls? Then, when a young woman's family starts acting strangely at the same time she begins having bizarre dreams, she decides to stay with her aunt, but the town she heads for has neither addresses or roads... Also, an all-you-can-eat ice cream truck that's more sinister than sweet!