Europe hasn't been this cheap for Americans in decades
https://edition.cnn.com/2022/07/05/investing/premarket-stocks-trading/index.html
When we compare Yen with Euro, weaker Yen must be much more serious. Even in this situation, Yen is becoming weaker than Euro.
Border closure only for individual tourists is still going on in Japan, meaning that foreign visitors can not spend money in Japan, while Japanese tourists can in other countries.
So, this trend seems to continue.