Wie froh bin ich, daß ich weg bin!
weg sein compresses departure, relief, and conversational spontaneity; a dictionary-equivalent 'I am away' is unnatural in Japanese.
German de
Wie froh bin ich, daß ich weg bin!
Word
weg sein compresses departure, relief, and conversational spontaneity
Note
Keep the exclamatory confession and let context carry Werther's guilt; avoid a stiff travel-announcement register.
Compensations recorded: ここを去れて、なんて嬉しいんだろう, 行ってしまえて、なんて嬉しいんだろう.