Takarajimasha is a Japanese publishing company that was founded in 1971.
Back to the Future comic books published by Takarajimasha
In 2017, Takarajimasha released the trade paperback in Japan under their Kono Manga ga Sugoi! Comics imprint. The Japanese release was titled Back to the Future: Untold Tales and retained the left-to-right reading style of the original comic.
The Japanese version was organized so that every story was a chapter. For a limited time, the first five chapters were available as a webcomic that was viewable from Takarajimasha's website.