- Romaji: Rosuto Wan no Goukoku
- English: The Lamentations of the Lost One / The Lost One's Weeping
Uploaded March 4, 2013, with 5,050,000+ Niconico views
|| This sobbing can't be stopped.
— Author's comment
A song about questioning the burdens of education, has become one of Neru's hits, with over 3,000,000 views on Niconico. The boy in the video is named Mamoru.
This song is featured in Neru's major debut album Sekai Seifuku, released by EXIT TUNES.
This song entered the Hall of Fame on March 6, 2013 (after 1 day, 13 hours and 22 minutes), and the Hall of Legend on May 24, 2013.
This song is featured in the EXIT TUNES compilation album Vocalofuture, and is also in the album VOCALOID 超BEST -memories-.
Other media appearancesEdit
This song was featured in the Hatsune Miku Magical Mirai 2015 concert.
Rin's Astray module for the song "Lost One no Goukoku", designed by 456. From the video game Hatsune Miku -Project DIVA- X.