
Spoiler
One is betrayal by god, and one is a certain betrayal of Michael by Yonatan. Originally I meant the former but either works.
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As for the epistolary style (I had to look it up and will now pretend that I knew what it is all the time;)), it just seemed to fit best, but I know you didn't get exactly what kind of letter it is. Another friend of mine didn't either, after reading the hebrew translation. I wonder if I was too vague.
Also, if it interests anyone, Keren means 'ray' in hebrew. The other names have their.. reasons
