Hi there! i hope you are all doing well. i have a question:
it is my korean friend (she is my closest friend)'s birthday quite soon and i really want to write her a letter (a really nice letter, heart-touching. oh lord, this sounds too much but it is because of how much i really appreciate her); however, i know very little korean so my question is, can someone me in terms of producing a letter for her.
many .

친애하는 (친구의 이름) :

나는 당신의 생일을 축하합니다 때문에 나는 당신 에게이 말을하고 있습니다.

나는 당신이 나를 위해 매우 특별한 사람이라고 생각합니다. 당신은 환상적인 친구이고 우리가 함께 보내는 모든 순간을 즐깁니다.

나는 당신이 행복한 생일을 기원하며 또한 당신의 우정의 축복을 항상 바랍니다.

나는 당신의 많은 생일을 기대합니다.

진정으로,

친구 (이름)

Explanation:

Dear ( name of your friend):

I am witing these words to you because I want to congratulate you for your birthday.

I think you are a  very special person for me. You are a fantastic friend and I enjoy every minute that we spend together.  

I hope you have a happy birthday and I also hope to have always the blessing of your friendship.

I look forward to seeing many of your birthdays.

Sincerely,

Your friend (your name)