"Kodoku no Hate" was first uploaded on August 8, 2009, and is one of Hikari Syuyo and NEGI's biggest hits. It ranked first on the 98th issue of the Vocaloid weekly ranking. The song tells how Rin goes through many things, from sins to even regrets. She can see the "mirage" of her past, with her "friends", and see how she somehow forgot and just disappeared in a flash. "Kodoku no Hate" is featured on the album Cynicism. Its Project DIVA edit is featured on the album Hatsune Miku -Project DIVA- extend Complete Collection.