げんさく原作gensaku
1.

A work that serves as the foundational source from which adaptations, translations, or modifications are created, often retaining the core themes and elements of the original narrative.

2.

The initial version of a creative piece, such as a novel, play, or screenplay, which is utilized as a reference for subsequent reinterpretations or reimaginings in other media forms.

3.

The primary artistic content that lays the groundwork for derivative works, encompassing the original ideas and expressions intended by the creator before any alterations or adaptations take place.

Example:

そのドラマは原作と違っている。

げんさくしゃ原作者gensakusha
1.

A person who is the primary creator or originator of a literary or artistic work, responsible for its initial ideas and content.

2.

An individual whose unique concepts and expressions form the basis of a narrative, character, or artwork, distinguishing their contribution as foundational to that piece.

3.

The original thinker or writer who molds the core themes and messages within a creative piece, serving as the source from which adaptations or interpretations may arise.