Shiawase ni tsuite Honki Dashite Kangaete Mita

Shiawase ni tsuite Honki Dashite Kangaete Mita (幸せについて本気出して考えてみた) (English: I Tried to Think About How Really Happy) is the eighth single released by the Japanese pop-rock band Porno Graffitti. It was released on March 6, 2002. In the single work is the longest title.