Website:
https://saekoyamaguchi.com/
Payment with US Dollars:
WISE (only possible when you have a WISE account)
https://wise.com/pay/r/5y_ezDqiMkg9pPU
If you do not have a WISE account, here is an invitation link:
https://wise.com/invite/dic/saekoy19
Payment with Euro:
Option 1 ) WISE (only possible when you have a WISE account)
https://wise.com/pay/r/6Y3QdxCkL1OJDH8
Option 2 ) Bank Transfer (if you have a bank in the eurozone)
If you're sending money from a bank in SEPA (Single Euro Payment Area), you can use these details to make a domestic transfer (usually without any fees).
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Name: 山口ランゲージサービス（ヤマグチランゲージサービス）
IBAN: BE12 9053 2806 2592
Bank name and address: Wise, Rue du Trône 100, 3rd floor, Brussels, 1050, Belgium