Kimi to Boku. / Saikyou Summer!!

 is the fourth music card released by GEM.

Tracklist

 * 1) Kimi to Boku. (キミと僕. )
 * 2) Saikyou Summer!! (最強 Summer!!)
 * 3) Kimi to Boku. (Instrumental)
 * 4) Saikyou Summer!! (Instrumental)

Featured Members

 * Kanazawa Yuuki
 * Ito Chisami
 * Morioka Yuu
 * Minamiguchi Nana
 * Kumashiro Jurin
 * Oguri Kako
 * Murakami Lana
 * Iyama Maho
 * Hirano Sara
 * Nishida Hirari