There could be multiple explanations. Maybe it's to protect someone or achieve a greater goal. Or perhaps there's a misunderstanding that's led him to act this way.
Well, it's hard to say exactly without knowing more details. But it could potentially focus on Peter's adventures or his struggle against some sort of evil. There could be elements of mystery and drama to keep readers engaged.
Well, it's hard to say. Sometimes movies or shows claim to be based on true events, but they might take a lot of creative liberties. In the case of 1BR, it's not clear if it has a direct connection to real-life events.
The 'What Are You Doing Duke' manga and its adaptations are quite similar. Some adaptations might add or cut a few scenes for better flow or to meet the requirements of the specific format, but the main plot and characters stay intact.