Light novels or short stories or other prose at N4 level?

[amagi]

Have you checked out the:

Intermediate Japanese Book Club // Now Reading: あなたも殺人犯になれる！

Intermediate Japanese Book Club Welcome to our Japanese book club! In this club we choose a Japanese book, read it together, and discuss what we’ve read. It could be meaningful discussion on the content, questions about vocabulary and grammar that confuse us, or just motivating each other to keep moving. We’d love it if you joined the club! All you have to do is buy the next book lined up, read along with the schedule and join in the discussion! Expected reading pace: We aim to read books at ~…

WK Book Club they have lists of easier novels that at level 43 the Kanji shouldn’t be hard for you. You will have tons of people to help if you get stuck.