ガーディアンズ4 (Guardians 4) was an Hello! Project unit formed in 2009 in order to promote the anime Shugo Chara! active until 2010. The members were: Mitsui Aika (光井愛佳) - モーニング娘。 Kumai Yurina (熊井友理奈) - Berryz工房 Nakajima Saki (中島早貴) - ℃-ute Sugaya Risako (菅谷梨沙子) - Berryz工房 Read more on Last.fm