In the end, cross yen (EURJPY, GBPJPY, AUDJPY, etc.)
Because it is only a synthetic currency that makes indirect transactions as shown below and is presented virtually,
If you do your own trading, there is no extra fee,
The dollar straight (USDJPY, EURUSD, etc.) is better.
● Buy EURJPY
Buy dollars in yen and use them to buy euro dollars.
In other words, buying USDJPY + buying EURUSD
● Sell EURJPY
Buy dollars in yen and use them to sell euro dollars.
In other words, buy USDJPY + sell EURUSD