Roku-chou Nen to Ichiya Monogatari

 is the twelveth song covered by Roselia and was originally sung by IA.

It was first released in the official Japanese game of Bang Dream on June 02, 2018, and is also available in all the other servers of the game

A full-length version has been inserted in the Cover album Girls Band Party! Cover Collection Vol.4 released on May 27, 2020.