>>372参考にして浪人アカ下さいの英文テンプレ考えた

Hey! Jim-san!
I can't log in maru.
Please create a RONIN account with appropriate extension of expiration date for me.
Expiration date of my maru is 201x/xx/xx (year/month/day).
My maru account email address is xxx@xxx.

The attached file is proof that I purchased maru.

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201x/xx/xxのとこは●の有効期限（年/月/日）。
xxx@xxxのとこは●アカのメールアドレス。
メールに●購入の証明になるものを添付して送信。