A knock echoes through the gothic mansion and past the doors stood a mysterious guest with dark honey eyes. The guest turns out to be Yui's adoptive brother, whom with she has a troubling past with. As the mystery of their shared past unfolds, new dynamics are explored within the Sakamaki manor. As the brothers try to discover more of the buried past new relationships are forged and Yui can't contain her growing jealousy and contempt for her brother and his blooming connections with the Sakamaki men. What happens to Yui? What happens to her brother? What will the brothers do? Find out in Yui's Jealousy. !!Mature Content and Dark Themes Ahead!! !!Read With Caution!!