-The spirit infection-each one violated by a mysterious virus "UNKOWN level4" is looking for a mark one after another, is violating and moreover is infecting. A classmate until yesterday! A sister-in-law! A best friend! A sweetheart! Itll be that the partner who violates as it is attacked by an infected patient and he may indulge in a pleasure personally soon, is being searched and wandered one after another.