himekishi angelica

2007 eroge by Silky's.

from VNDB:
El and Chris are lovers. But one day, Chris is chosen to be a princess. They decide to elope, but she doesn't come to the place of the appointment. Instead, some men appear, and beat him up. He is somehow saved, and informed that Chris has become a princess and his father and friends have been killed. He decides to take a revenge on her...(link)