L FILE No. 15

L FILE No. 15 is a book that was released alongside the film L: Change the WorLd. It primarily consist of photos taken by Mika Ninagawa of actor Kenichi Matsuyama dressed as L and acting out L's various activities. The book also contains two short manga chapters illustrated by Takeshi Obata, titled L: The Wammy's House and L: One Day. L: The Wammy's House shows the events leading up to L becoming a detective, and L: One Day chronicles the daily life of L. It also contains a short interview with Takeshi Obata.