The song was described by Billboard's Tamar Herman, as an "effervescent dance track", that "returns [GFriend] to the sweet synth-pop style they favored on early releases".

Adding that "the track leads with plinking synths and gentle instrumentals before building into a majestic, tempo-shifting choral climax introduced by bright strings and graceful harmonies as the six women let their vocals soar".

[4][5] Memoria debuted at number 6 on the Oricon Singles chart in its first week, with 16,602 physical copies sold.

The video features the group as they dream away their days, before waking up in a slightly changed world full of glitter, art, angels, and more before they all come together atop of a roof.

For the choreography scenes, the members don a variety of tartan-patterned dresses as they perform the sweeping, ballet-inspired routine.