Orli was planning for a well-deserved holiday when her boss and guardian, Clark, suddenly send her for a detective assignment located in the mysterious Usodar town. A serial killing case which involves a "Heart Ripper" who murders the victims by ripping their hearts out have become rampant. Orli sets out to solve the case, unbeknownst to her that she is much more involved in these happenings than she thought.
Character: Suren
Suren is a military commander in Nasla. Originally, he was a commoner. However, his excellent skills in combat won Nasla many wars, which earned him his current title.
Character: Ruzi
Ruzi is a doctor who is very well-liked due to his gentle demeanor and beautiful appearance. Despite growing up in Nasla, Ruzi's roots traces back to Rus.
Character: Touya
Touya is the king of Nasla. Despite the current state of affairs between Rus and Nasla, Touya is determined to establish peace between the two countries. He appears kind and responsible, but has a different side to him.
Character: Auri
Auri is Naala's childhood friend and the new king of Rus. As per the former king's wish, Naala was supposed to marry Auri. However, things made a drastic turn after the Nasla army attacked Rus.
Character: Nohl
Nohl is the political assistant of Nasla, and a teacher and advisor to the Nasla King, Touya, and the Nasla military commander, Suren. His cold and calculative personality made him an ideal candidate for strategizing and handling the political issues of the country.
Media: The Crimson Flower that Divides: Lunar Coupling
Adopted into the royal family of Rus after she was orphaned at a young age, Naala was designated to marry the next king of Rus after death of the previous king. That all changed when their long rivaling country, Nasla, sent men to kidnap the Rus women to address their own shortage due to the disease called "The Rot" which specifically affects women. How will Naala survive in such foreign environment? Will she fall in love in the land of her captors?
Character: Shalu
Shalu is Naala's close friend from Rus. Along with Salanna, the three of them grew up together and always had a strong friendship.
Character: Alex
Alex is a new transfer student into the protagonist's school. He seems cool and easygoing, and is admired by both of the protagonist's friends, Lala and Saki.
Character: Bako
Bako is a new transfer student into the protagonist's school. He seems cheerful and outgoing. Although he is intelligent and do well in school, he often spaces out and appears scatterbrained.
Yanderes and Obsession 