noun
sequel; later story
A story or account that follows an earlier event; similar to 後日談, but 後日物語 can sound slightly more literary or narrative-focused.
See also: 後日談
この事件の後日物語は、まだ誰も書いていない。
No one has yet written the sequel to this incident.
後日談 is the more common word for a sequel or follow-up story. 後日物語 is less frequent and may carry a slightly more literary or narrative tone.
Compound of 後日 (later date) and 物語 (story). The exact origin is uncertain, but it follows a common pattern for naming narrative works.