The result marks a strong commercial debut for the latest entry in Nintendo's long-running tactical role‑playing franchise developed in partnership with Intelligent Systems.
The rest of the top ten features several notable new releases and established sellers.
Falcom's Trails in the Sky 2nd Chapter made two strong platform debuts: the Switch 2 edition sold 24,724 copies in its first week, while the PS5 version moved 21,753 units.
Rhythm Heaven Groove continued steady performance on Switch with 22,568 copies sold during the week, bringing its lifetime total to 1,022,613 units.
Another Eden Begins launched across two Switch platforms: the Switch 2 edition sold 14,708 units and the standard Switch edition added 9,237 copies.
Other entries in the top ten include Marvel's Wolverine on PS5 at 20,039 units, Onimusha: Way of the Sword on PS5 at 8,762 (104,946 lifetime), Splatoon Raiders on Switch 2 at 7,105 (663,797 lifetime), and Tomodachi Life: Living the Dream on Switch at 6,909 (1,610,052 lifetime).
Rewriting Famitsu's assessment in journalistic terms: the publication's data indicate a robust launch week for Fire Emblem: Fortune’s Weave and solid multi‑platform interest for Trails in the Sky 2nd Chapter.
Famitsu's physical charts also show healthy catalog performance for long‑running Nintendo franchises.
Hardware figures for the same week show Switch 2 leading the market in Japan with 34,341 units sold, followed by PlayStation 5 Digital Edition SKUs at 7,441 units.
Combined sales for all three original Switch SKUs totaled 5,705 units, while PlayStation 5 SKUs shifted 7,847 units overall (the Digital Edition accounted for the majority).
In summary, Famitsu's week of Sept. 14–20 highlights a chart-topping Fire Emblem debut alongside continued Switch 2 hardware momentum in Japan.