"Aoi and Shusei's bond becomes ever stronger, adding to their already airtight love! But as the two of them grow closer, the lives of the people around them get turbulent. As Shouta pushes the brother he never wanted away, he stumbles upon Yudai's diary and makes a startling discovery. Meanwhile Eri kisses Wataru as he pines over Aoi, leading to a night of releasing pent-up anger and passion. Eri finally decides to confess her love to Wataru, but...

"It's back to school after a summer full of love for Aoi and Shusei! While they keep up the charade of hiding their relationship and living arrangement, an unexpected player joins in on the game. Shusei's cousin, Leon, from America surprises them--and it's to the delight of all the girls at school, too! The boys have a score to settle and the stakes are high for Aoi. Will Shusei up his game to prove his love for Aoi--and can she meet Leon's high standards...