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