Quick answer
No. Echoes of Teradea is a Natsume-developed and published Harvest Moon game, not a Story of Seasons title.
Evidence checked
- Natsume is the named developer and publisher.
- The official title uses the Harvest Moon brand.
- Story of Seasons is a separate modern series.
What this does—and does not—confirm
Similar farming-life themes do not make the games part of the same current franchise or guarantee shared systems.
This answer covers Harvest Moon: Echoes of Teradea only. It does not copy schedules, gifts, values, controls or mechanics from earlier Harvest Moon games.
Evidence source
Official publisher announcement: Natsume title announcement — March 11, 2026. Independently summarized and checked on 2026-07-26.