I'm not entirely sure as I haven't read it specifically. But generally, a light novel often features interesting characters and unique storylines. It might be about a 'tensai ouji' which could be translated as 'genius prince'. It could involve his adventures, his struggles in a fictional world, or his relationships with other characters.
Online platforms are also a great place to search for it. Websites like Amazon often have a wide range of light novels available for purchase, both in physical and digital formats. There are also some specialized book - selling websites that focus on Japanese or Asian literature where you might find it.
I'm sorry, I haven't read this light novel specifically. But generally, a light novel often has unique characters and an interesting plot. It might be about a 'tensai ouji' which could be a talented prince, and 'akaji' might be related to some sort of characteristic or event in the story.
Hard to say. It could be on hiatus, but without concrete information, it's difficult to give a definite answer. Try following the mangaka's social media or the manga's official website for the latest.