Shida Summer Arai Summer!

 (志田サマー新井サマー) was a collaboration group featuring Arai Hitomi and Shida Yuumi. The group was only active in summer 2016.

Members

 * Shida Yuumi (志田友美)
 * Arai Hitomi (新井ひとみ)

Singles

 * [2016.07.06] Shakunetsu Summer ~SUMMER KING × SUMMER QUEEN~ (灼熱サマー ～SUMMER KING × SUMMER QUEEN～)
 * [2016.08.10] Anna ni Suki Datta Summer / GO GO Summer! (あんなに好きだったサマー / GO GO サマー!)