原作 (げんさく, gensaku) Japanese meaning: original work | KotomoraThis movie is based on a popular manga.
You can enjoy the drama more if you read the original work first.
Usage patterns
〈物〉を原作とするto be based on ~ as the original work
This drama is based on a popular novel.
原作に忠実だto be faithful to the original work
This movie was made faithfully to the original work.
原作を読むto read the original work (before/after seeing the adaptation)
I read the original manga after watching the anime.
原作と違うto differ from the original work
The film's ending was different from the original work.