CONFESSION is a psychological manga by Fukumoto Nobuyuki (story) and Kawaguchi Kaiji (art).
Two friends, Asai and Ishikura went mountain climbing together, as they do every two years. They normally go with a group of other climbers, but this time everyone else cancelled and they ended up going alone. While climbing, they get trapped in a storm and Ishikura, who was injured and thought he was going to die from blood loss, makes a disturbing confession. Ishikura’s confession basically puts him and Asai in something like a heightened state of cabin fever while they wait to be rescued.
My terrible synopsis aside…if you enjoy psychological seinen, this is a great manga to read, you’ll love it. It was well written; the ending was just perfect and may catch you by surprise.
It is only about 302 pages and can be completed in one sitting (which you will likely do, as it is really too exciting to put down). If you are reading it on MangaFox as I did, note that CONFESSION is only 2 out of the 8 chapters uploaded under the title (0.1 and 0.2). Someone uploaded a different manga which is clearly by a different mangaka with it and it has yet to be fixed.