'Mou Mori e Kaerou ka?' is the coupling song of the group's 6th single 'Glass wo Ware! [ガ ラ ス を 割 れ!] 'Which will be released March 7, 2018. This song was performed by Senbatsu members.
The MV was directed by Mori Yoshihiro who also directed MV Keyakizaka46 'Hiraishin [避雷針].