Readers of my website: http://www.maasayada.tokyo. People who likes reading novels (pure literature). People who are interested in memories, dreams, psychoanalysis. People who like texts written about music.
You can portray pink gin or pink noise using photo images or illustrations, or use something else that fits the atmosphere, or even have an abstract design. Rather than a cute, heart warming theme to portray love, I would like the design to be bright and sharp. I have uploaded some examples of book cover designs I like for your reference.