Forensic Classroom Case File #43.

The mystery of a corpse that suddenly kisses? A female doctor's son is suspected of murder ... Nail patterns and unsolidified blood reveal a perfect crime. When Aisuke, the son of forensic scientist Saki Ninomiya and a newspaper reporter, was interviewing the president of a building management company and his eldest son at a glass-walled cafe, a young woman who approached the store suddenly collapses and died...