夏色えがおで1,2,Jump!
Song from [[Love Live! School Idol Project]], and the third single from Muse. B-Side is Mermaid Festa, vol. 1.

In the game [[Love Live! School Idol Festival]], the costumes in the video are used for the first set of idolized forms of Rare rank Smile stat members of the main cast.

It is the fourth song to have a full cover from [[Link! Like! Love Live!]].
natsuiro egao de 1 2 jump!