Time has passed in the Sakamaki house hold, all the brothers are engaged to be married! But what can the Sakamaki brothers' do when Yui suddenly loses all memory of them? And how can they when she gains a mysterious connection to Kou Mukami and a past they no nothing about? The only way is to know the truth about Yui Komori and who she is exactly.(The pic is of Kou and Yui)