For vol. 1-10 (complete series):Honestly, I only read this series because I thought the title was cool and I harbored a secret hope it would be about disco or something (it's not. At all). Gotta say the first two volumes are pretty boring. Would recommend just jumping to volume three and reading the bonus chapter, which was the original short story. It's pretty easy to figure out everyone's relationship even without the first two volumes.This series is nothing more than light, enjoyable fluff. The main characters have nothing compelling about them, but you kinda get invested in their stories, anyway. Nothing new to be seen here. I rated it the same as the first volume of Ao Haru Ride. I liked them both almost equally, while I'd say they are pretty different. One interesting similarity though, is that these two first volumes told how their female characters called on their courage to face their problems, and then managed to move on in the end of the volume.And Io Sakisaka sensei drew those resolution endings very nicely.