Sinopsis
Sequel of Shin Koutarou Makaritooru. Kotaro's mother returns with mysterious ninja organization chasing after her.
Latar belakang
Koutarou Makaritooru! L was originally serialized in Weekly Shounen Magazine until August 7, 2002 (2002 #36+37). It was then moved to Magazine Special on December 20 (2003 No.1).