This was the very first BL I watched. I.have watched it a few times since. It is set in a high school.The average age.of the characters is 15-16. Many people prefer the secondary couple.of Frame and Book to the main couple of Tee and Fuse. I was not happy that both couples started their relationships through rape. Tee is openly gay but Fuse is currently in a relationship.with a girl, but starts to develop feelings for Tee and.is confused by them. They go through the usual process of Fuse seeing both.of them and trying to figure out who he truly wants.to be with. His girlfriend is cheating on him. Book is gay,but is still somewhat in the closet. He is traumatized by his ex boyfriend.filming them having sex in what appears to be a stairwell and is frightened that he will release it on the internet. When the video does somehow get out Book tries to kill himself. They way Frame stands by him and supports him is what makes them alot of fans favorite couple.