The youngest twin sister of Yuki Kuran is Yumi Kuran, a quiet, beautiful and intelligent girl.
She was already forgotten by her family in such a short time. Yuki was the one they loved, while Yumi was alone and unloved. They think of Yumi that she never existed, except for Kaname. He loves Yumi dearly and he meets her in her room very often without being found by their family.
Then, Yumi's heart shattered once more when she heard that Kaname was going to marry Yuki, so she ran away and never used the name 'Kuran' since she never really existed in her family.
Years has passed, Yumi was know known as Yumi Bara, she attends the True Cross Academy, her heart almost stopped when she saw her sister and big brother. What will happen then?
Will she finally meet someone that will love her? or will she remain unloved and alone?