7 books was published in Korea by Diwon C.I since 1998
The girl who is always crying
Bisangsojib-An emergency call 1
Bisangsojib-An emergency call 2
Bisangsojib-An emergency call 3
Bisangsojib-An emergency call 4
Bisangsojib-An emergency call 5 end
Chocolato-short story collection
