The Mekakucity Actors

The Kagerou Project  (カゲロウプロジェクト) also known as "Kagerou Daze" or "Heat Haze Daze", is a Vocaloid song series made by Jin (who goes by Shizen no Teki-P). This whole series revolves around the Mekakushi Dan, a group of teenagers who have these strange powers that are controlled and related to their eyes. 

 

after the release of the song "Kagerou Daze", which also gave the series its name. The song has amassed over 3 million views and is the most popular song of the project. Four light novels were released, made by Jin as well, just because the series got too popular for vocaloid along to cover it. It got so popular that after two years of the manga they decided to make an Anime based off the manga with the vocaloid songs in it. They decided to call it "Mekakucity Actors", and began Airing  April 13, 2014 and ended on june 29, 2014.

 

If you are interested in this series and want to read the Manga, go here:

http://www.mangahere.co/manga/kagerou_days/

 

If you are interested in the Anime and want to watch it, go here:

http://www.hulu.com/mekakucity-actors