Primary

• Karisa Dormitory Mistress of Tomura
• Karisa Dormitory Mistress of Erin
• Karisa Dormitory Mistress of Yuyan

Extended

• Erin In love with La-lu
• Erin Daughter of Soh-yon
• Erin Friend of Yuyan
• Tomura In love with Erin
• Yuyan Friend of Erin