TV-Series
Description
Astolfo Granatum is the firstborn son of House Granatum, a lineage of Chasseurs serving the Catholic Church since the human-vampire war. His childhood was defined by timidity and empathy, most notably when he secretly befriended an injured vampire boy, fostering a fragile dream of peace against his family's traditions. These meetings ended in tragedy when the vampire and accomplices raided his home. Astolfo witnessed the prolonged torture and murder of his parents and younger sister, forcibly Marked over twenty times during the attack and holding his sister's hand as she died. This trauma shattered him psychologically, leaving him suicidal until his rescue by Roland Fortis.

Following rescue, First Paladin Charles systematically molded Astolfo's hatred for vampires into a potent propaganda tool to rally public support for the Chasseurs. Roland Fortis became his combat instructor, but Astolfo's mental state deteriorated. His defining moral rupture occurred on a mission to destroy a vampire-run human trafficking ring. Discovering rescued humans sympathizing with their captors, Astolfo executed every survivor as heretics. When Roland condemned this brutality, Astolfo confessed his genocidal fervor stemmed from self-loathing and survivor's guilt over his family. Roland intentionally abandoned him as an instructor, redirecting Astolfo's hatred towards himself to prevent further internalized guilt. This cemented Astolfo's pathological fixation on vampire extermination and contempt for Roland.

Physically, Astolfo appears as a short, slender teenager with fair skin and distinctly androgynous features: large pink upturned eyes, long eyelashes, and straight dark-pink hair parted centrally to frame his face. He wears the standard Chasseur uniform—black pants, cassock, white harness, purple belt-like ribbon, and lace-up boots—accessorized with a garnet-colored rosary and fang-shaped earrings, completed by fingerless gloves.

His personality manifests as violently sadistic and obsessive. He openly declares Chasseurs exist solely to eradicate vampires, not protect humans, and takes pleasure in inflicting suffering. He possesses a volatile temper, especially when perceived as feminine, touched without consent, or compared to Roland Fortis. Despite this malice, residual gentleness surfaces around small children. He justifies his actions as "justice," epitomized by his spear's name: "Pillar of Justice, Louisette" (a reference to the guillotine). He pursues targets with self-destructive fervor, overdosing on Chasseur performance-enhancing tonics despite their severe health risks.

In combat, Astolfo relies on agility and tactical ingenuity over brute strength. His primary weapon, Louisette, is a mechanized spear with extendable segments for unpredictable strikes and an explosive "burst" function powered by Astermite. He supplements this with Aegis flashbangs designed to blind vampires and steroid tonics that temporarily amplify his abilities at great physical cost.

Non-canonical spin-offs offer alternative interpretations. In the Drama CD *Koi wa☆LOVE Mission! Spin-off! ~Shiratori Astolfo no Yūutsu~*, he is reimagined as "Astolfo Shiratori," a disciplined high school freshman and Disciplinary Committee chairman in a human-vampire integrated academy. Here, his obsessive tendencies focus on Roland Tanaka, a teacher he idolizes after a childhood rescue, showcasing jealousy and unresolved attachment within a comedic, non-violent context.