Setoguchi Renya style of writing consists of leaving deep impactful messages on the mind of the reader, through shocking events and brilliant prose. I think this was most prominent in Swan Song and HiraHira Hihiru, since reading these two novels I've been longing for any novel that is strongly meaningful and leaves a significant message on me as a reader. I want every recommendation you could think of, as long as it fits the same category as these two novels or the same niche this writer fulfills.