金の入日に手風琴 (Kin no Irihi ni Tefuukin)

Background
The song was first uploaded on December 4, 2009 as a part of Meiko's anniversary on November 5, 2009. It was at first uploaded to Shikaku-P's Piapro on December 1, 2009. A year after the song was uploaded on December 20, 2010, it reached Nico Hall of Fame (exceeding 100,000 views) with currently over 200,000 views to date; making it Shikaku-P's first work to achieve so.

"Accordion in the Golden Sunset" tells a story of an accordion player who've lost something that seems to be important to the player. She sung of what she'd lost, though by the end of the song she'd forgotten what she has lost in the first place.