Esther Blanchett. In the anime she meets Able on a airship and in the manga she meets him in an ally smuggling drugs!!!!!

Born as the legitimate granddaughter of the queen of Albion, she was brought to Istvan shortly after her birth in order to save her from assassins. She is the daughter of the late Prince Gilbert who was assassinated just after she was born. She was raised in Istvan as a nun by Bishop Laura Vitez, who loved Esther like her own daughter.
Esther meets Abel during an attack on Count Gyula's City Military Police as the leader of a band of rebels called the Partisans who worked to oust Count Gyula's tyranny over Istavan. After a vampire kills one of the clergy and Bishop Laura is killed in a subsequent church bombing, Esther goes with Abel to Gyula's home to stop his plans and rescue the captured Dietrich. The meeting of Esther and Abel differs between adaptations. In the manga series, Esther meets Abel while smuggling drugs with Dietrich. In the anime series, much of the Star of Sorrow arc is changed, starting with the meeting which occurs when Esther appears at Gyula's home to escort Abel to Saint Matthias. Esther had also murdered Colonel Lattikar to avenge the earlier murder of Bishop Laura. She and Abel are captured by Gyula's soldiers and Dietrich is killed at the church before it is burnt to the ground. After being captured, Abel and Esther successfully stop Gyula and Dietrich's plans.
Esther decides to journey to the Vatican with Abel and Tres to try to understand why so many people had to die, who Dietrich really was and his goals, who Abel really is, and what she wants to do with her life.Once they arrive at the Vatican, Esther is accepted into the Ministry of Holy Affairs and becomes a fledging AX agent.A vivid, star-shaped birthmark adorns her side, marking her as Albion's "Star of Hope".This mark is later revealed to be proof that she is part of the royal family of Albion.
Esther appears to have growing romantic feelings towards Abel Nightroad, though he seems oblivious to this (as well as to his own feelings for her), though others have noticed. She also develops a strong friendship with Ion Fortuna, even offering to let him feed on her after he's sent into a blood lust by Dietrich.In the anime, she blames herself for Abel's apparent death and stays by his casket for several days, not once leaving his side until Virgil Walsh comes to bring her to Albion. At first she still refuses to leave, despite learning she is the heir to the throne, but she hears Abel's voice and it gives her the strength to go. She is also a witness to Abel's revival by Tres and another battle between Abel and Cain. As she watches them battle, she comes to understand that Abel will continue battling Cain for all eternity or until one of them has killed the other, and that he must leave. Realizing she can make a difference in the world, Esther faces her destiny and is crowned Queen of Albion.