Chemical⇄Reaction

 (ケミカル⇄リアクション) is a Japanese idol group.

Members

 * Narusawa Maika (成沢舞香)
 * Hasegawa Risa (長谷川莉沙)
 * Soga Sayaka (曽我沙也加)

Singles

 * [2016.02.10] Gihikari (擬光)
 * [2016.05.28] a walk in the life