This is a great yuri story that hurts, burns, and warms the heart. I grittier look at business life of the time with a messy love story. It is worth the read, even if it isn't perfect.
There are many characters, and none of them are perfect people; I love it. Yukino is.. a mess, to put it mildly. She is a girl protected from reality because of her idol past that is forced into the cruel Tokyo streets at 18. The weight of her past crushes her, and her present is uncertain. She is moody, anxious, and easily manipulated with the right pressure and kindness; the problem is everyone knows it. Setsuko is the cool aloof music composer that takes Yukino and guides her into her new life of lovely gay love. She works just as hard as she cares for Yukino. Setsuko is easily the best main character. The side characters vary and keep things interesting without being too unrealistic. The realistic characters is what really makes Octave such a wonderful yet flawed story. Maki is the best character.
The story is... messy in a good way. Nothing is clean, and anything that affects Yukino will continue to pop in her head throughout the story. Her flaws forces the story to go in some strange and frustrating directions, and it is some GOOD DRAMA. Drama saturates each page, pushing the reader to continue nonstop. For each moment of happiness, there is one of suspense, fear, and/or dread to follow. It is clear that this is Yukino's story, and the most memorable moments were when I was shouting at her for doing or saying something stupid.
8/10 I really recommend this to anyone looking for a rough and grody yuri story. There is very little fluff and a lot of sex (mostly between girls, but not all). I.. don't think I'll read it a second time though, as I related to Yukino's and (later on) Setsuko's struggles way too much.