“Yummy Summer” is a track featured in IZ*ONE’s 1st Japan full length album, Twelve. It is performed in a unit by Miyawaki Sakura, Kim Chae Won, Kim Min ju and An Yu Jin. It is only available in the Type A version of the album.
- This song was originally supposed to appear on IZ*ONE's third mini album, Oneiric Diary, but for some unknown reason, it did not make the cut.
- However, there are Korean lyrics of the song in the drafts.