Kuro no Rondo

Story 1: Eli enrolled at a school together with Julia, whose family took care of her. The student is split into two group, dorm 1 student for children from rich family and dorm 6 student from normal family. Eli got placed at dorm 6 while Julia got into dorm 1. Students from dorm 6 believed that Eli is a dark queen promised to the their cult because she have the mark of dark star and seems to have power to hurt other that she hate.

Story 2: A young girl wanted to check on her little brother, who separated from her after their parents divorced, disguised as his new tutor.

*the character's name may differ from the Japanese version