Echoes of Wisdom costs a whopping ¥7,600 in Japan
Just like Tears of the Kingdom which was (and still is) ¥7,900 in Japan, Echoes of Wisdom has been given a premium price.
For the record, most Nintendo games are ¥5,800 - ¥6,000 in Japan.
Notably though that's still lower than the price in the US.