A woman has been arrested in Japan for sneaking into a man's house and living in his closet without him knowing.Police found 58-year-old Tatsuko Horikawa living in a small storage space in the house in the southern city of Fukuoka.The house belonged to a 57-year-old man, who had become suspicious after food disappeared from his fridge.So he installed a surveillance system, which filmed the woman as she walked around in his absence.On Wednesday afternoon police searched the house and found the woman in her cubby hole.She had brought a mattress into the tiny space in the closet, police said."She told police that she had nowhere to live," the French news agency AFP quoted a local police spokesman as saying."She seems to have lived there for about a year, but not all the time."