pre-noun adjectival
Pre-noun adjectival (rentaishi) that modifies a following noun to express something inside a person or thing, such as inner self, inner voice, internal conflict, or interior space. Often used in literary or introspective contexts. Contrasts with 外なる (そとなる, external).
See also: 外なる (そとなる)
He made his decision following his inner voice.
The novel depicts the protagonist's internal conflict.