A world in which humans and vampires share a bare minimum coexistence. The year is 20XX in Yokohama. The Aoi Research Firm has shone light onto the medical world, developing an artificial source of blood called EX-BLOOD, putting an end to the shortage of blood. At the same time, the vampires who had hidden themselves in the shadows emerge and declare that they will now coexist with humanity. They gradually began show themselves out in society. But by nature, vampires prefer human blood. Some of them continued to assault humans. Even as those vampires that wish for a peaceful coexistence with humans try to keep the others in check, "vampire hunts" are also widespread, carried out by some humans due to a drug-like high a human experiences when drinking a vampire's blood. Even so, at least on the surface, peace appeared to be maintained... The protagonist, Moriya Keiichi, sustains life-threatening injuries in an accident. His best friend, Aoi Setsuna, saves his life with a brand new drug which utilizes a vampire's extraordinary healing capabilities. As a side effect, Keiichi's attribute ends up transforming from Beta into Omega. Keiichi's newly Omega pheromones attract the vampires to him. One day, Keiichi finds himself saved from a dire attack by an Alpha vampire, Ooizumi Genma. As someone who hates vampires, Keiichi refuses Genma's help. However, he himself had become a half-vampire desiring blood... "Dammit.....just what the hell have I become?!"
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Sex with Others Only Engages in (Sexual) | 5 | 2.65 | 4.75 |
| Vampire Role | 7 | 2.24 | 4.65 |
| Being in Heat Subject of | 3 | 2.96 | 4.11 |
| Fang Body | 6 | 1.88 | 3.65 |
| Tailcoat Clothes | 3 | 2.61 | 3.62 |
| Loose Necktie Clothes | 3 | 2.57 | 3.56 |
| Researcher Role | 3 | 2.37 | 3.29 |
| Ore Personality | 7 | 1.57 | 3.27 |
| Male on Male Sex Engages in (Sexual) | 4 | 2.00 | 3.21 |
| Scientist Role | 3 | 2.27 | 3.15 |
| Gothic Clothes | 3 | 2.15 | 2.99 |
| Grandson Role | 2 | 2.71 | 2.98 |
| Frot Engages in (Sexual) | 2 | 2.70 | 2.97 |
| Executive Role | 3 | 2.14 | 2.96 |
| Belt Clothes | 9 | 1.26 | 2.91 |
| Anal Fingering Engages in (Sexual) | 3 | 2.04 | 2.83 |
| Male Cleavage Body | 2 | 2.52 | 2.77 |
| Sex with Others Engages in (Sexual) | 3 | 1.98 | 2.75 |
| Loyal Personality | 4 | 1.68 | 2.71 |
| Sexual Harassment Engages in | 2 | 2.45 | 2.69 |
| Sex in Front of an Audience Engages in (Sexual) | 5 | 1.49 | 2.68 |
| Quickie Fix Engages in (Sexual) | 3 | 1.88 | 2.60 |
| Unarmed Fighting Engages in | 3 | 1.88 | 2.60 |
| Confinement Engages in | 2 | 2.36 | 2.59 |
| Short-tempered Personality | 3 | 1.84 | 2.55 |
| Lanyard Clothes | 1 | 3.68 | 2.55 |
| Smuggling Subject of | 1 | 3.65 | 2.53 |
| Aikido Engages in | 1 | 3.64 | 2.52 |
| Lab Coat Clothes | 3 | 1.79 | 2.49 |
| Scalpel Items | 1 | 3.57 | 2.48 |
| Half Vampire Role | 1 | 3.55 | 2.46 |
| Famous Role | 2 | 2.23 | 2.45 |
| Anal Sex Engages in (Sexual) | 3 | 1.76 | 2.44 |
| Handjob Subject of (Sexual) | 3 | 1.75 | 2.42 |
| Pragmatic Personality | 2 | 2.19 | 2.40 |
| Anal Fingering Subject of (Sexual) | 3 | 1.71 | 2.37 |
| Red Eyes | 6 | 1.20 | 2.34 |
| Collar Clothes | 3 | 1.68 | 2.33 |
| Violent Personality | 2 | 2.10 | 2.31 |
| Fighting Engages in | 5 | 1.29 | 2.31 |
| Muscular Body | 3 | 1.64 | 2.28 |
| Bloody Sex Subject of (Sexual) | 1 | 3.27 | 2.27 |
| Genius Personality | 2 | 2.00 | 2.20 |
| Genetic Research Engages in | 1 | 3.14 | 2.18 |
| Kunai Items | 1 | 3.12 | 2.16 |
| Switch Role | 1 | 3.11 | 2.16 |
| White Hair | 4 | 1.33 | 2.15 |
| Uneducated Personality | 1 | 3.09 | 2.14 |
| Cruel Personality | 2 | 1.92 | 2.11 |
| Stutter Personality | 1 | 3.04 | 2.11 |
| Cravat Clothes | 2 | 1.92 | 2.11 |
| Ore-sama Personality | 1 | 3.01 | 2.09 |
| Student Role | 3 | 1.49 | 2.07 |
| Erotic Humiliation Subject of (Sexual) | 1 | 2.98 | 2.07 |
| Tsundere Personality | 2 | 1.88 | 2.06 |
| Handjob Engages in (Sexual) | 5 | 1.15 | 2.06 |
| Stethoscope Items | 1 | 2.97 | 2.06 |
| Rape by Proxy Engages in (Sexual) | 1 | 2.94 | 2.04 |
| Fingerless Gloves Clothes | 2 | 1.86 | 2.04 |
| Necktie Clothes | 5 | 1.12 | 2.00 |
| Legal Guardian Role | 1 | 2.89 | 2.00 |
| Surgery Subject of | 1 | 2.88 | 1.99 |
| Suit Clothes | 3 | 1.44 | 1.99 |
| Watashi Personality | 4 | 1.24 | 1.99 |
| Classmate Role | 4 | 1.23 | 1.98 |
| Werewolf Role | 1 | 2.86 | 1.98 |
| Eye Covering Hair | 2 | 1.80 | 1.98 |
| Not an Anal Virgin Role | 1 | 2.85 | 1.98 |
| Earrings Clothes | 3 | 1.42 | 1.97 |
| Medication Engages in | 1 | 2.84 | 1.97 |
| Human Subject Research Engages in | 1 | 2.82 | 1.96 |
| Infamous Role | 1 | 2.81 | 1.95 |
| Friendly Personality | 4 | 1.21 | 1.94 |
| Bolo Tie Clothes | 1 | 2.79 | 1.93 |
| Disciplinarian Personality | 1 | 2.77 | 1.92 |
| Missionary Engages in (Sexual) | 2 | 1.74 | 1.91 |
| Albino Body | 1 | 2.71 | 1.88 |
| Orphan Role | 2 | 1.70 | 1.87 |
| Arrogant Personality | 2 | 1.70 | 1.86 |
| Bridal Carry Engages in | 1 | 2.66 | 1.85 |
| Anal Masturbation Engages in (Sexual) | 1 | 2.66 | 1.84 |
| Confident Personality | 2 | 1.68 | 1.84 |
| Stalking Subject of | 1 | 2.64 | 1.83 |
| Childishly Violent Personality | 1 | 2.63 | 1.83 |
| Butt Plug Subject of (Sexual) | 1 | 2.61 | 1.81 |
| Politician Role | 1 | 2.61 | 1.81 |
| German Role | 1 | 2.59 | 1.80 |
| Relaxed Personality | 2 | 1.63 | 1.80 |
| Discrimination Subject of | 1 | 2.58 | 1.79 |
| Electric Shock (BDSM) Subject of (Sexual) | 1 | 2.53 | 1.75 |
| Coward Personality | 1 | 2.52 | 1.75 |
| Claw Body | 1 | 2.52 | 1.75 |
| Tsukkomi Role | 1 | 2.51 | 1.74 |
| Secretary Role | 1 | 2.47 | 1.71 |
| Curly Hair | 1 | 2.45 | 1.70 |
| Refined Personality | 2 | 1.54 | 1.70 |
| Delinquent Role | 1 | 2.43 | 1.69 |
| Hard Worker Personality | 2 | 1.53 | 1.68 |
| Modern Tsundere Personality | 1 | 2.42 | 1.68 |
| Penile Masturbation Engages in (Sexual) | 1 | 2.42 | 1.68 |
| Half Updo Hair | 1 | 2.42 | 1.68 |
| Stalking Engages in | 1 | 2.41 | 1.67 |
| Hood Clothes | 1 | 2.41 | 1.67 |
| Living Alone Role | 1 | 2.41 | 1.67 |
| Human Subject Research Subject of | 1 | 2.40 | 1.66 |
| Friend Role | 3 | 1.19 | 1.66 |
| Cynic Personality | 1 | 2.39 | 1.66 |
| Magic Wand Subject of (Sexual) | 1 | 2.38 | 1.65 |
| Actor Role | 1 | 2.36 | 1.64 |
| Assault Engages in | 1 | 2.35 | 1.63 |
| Trousers Clothes | 3 | 1.18 | 1.63 |
| Serious Personality | 2 | 1.48 | 1.63 |
| Half-naked Clothes | 1 | 2.34 | 1.62 |
| Assault Subject of | 1 | 2.30 | 1.60 |
| Sexual Fantasy Engages in (Sexual) | 1 | 2.30 | 1.59 |
| Class President Role | 1 | 2.29 | 1.59 |
| Distrustful Personality | 1 | 2.28 | 1.58 |
| Foreigner Role | 1 | 2.27 | 1.57 |
| Obedient Personality | 1 | 2.26 | 1.57 |
| Poor Role | 1 | 2.26 | 1.57 |
| Bullying Engages in | 1 | 2.25 | 1.56 |
| Sexual Harassment Subject of | 1 | 2.22 | 1.54 |
| Spoons Engages in (Sexual) | 1 | 2.21 | 1.53 |
| Sexual Fantasy Subject of (Sexual) | 1 | 2.21 | 1.53 |
| Observant Personality | 1 | 2.20 | 1.53 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.38 | 1.52 |
| Glasses Clothes | 3 | 1.09 | 1.50 |
| Sexual Sadism Engages in (Sexual) | 1 | 2.16 | 1.50 |
| Swordsmanship Engages in | 1 | 2.15 | 1.49 |
| Accident Subject of | 1 | 2.15 | 1.49 |
| Vindictive Personality | 1 | 2.14 | 1.48 |
| Anal Object Insertion Subject of (Sexual) | 1 | 2.14 | 1.48 |
| Condom Sex Engages in (Sexual) | 1 | 2.13 | 1.48 |
| Fainting Subject of | 1 | 2.13 | 1.47 |
| Possessive Personality | 1 | 2.11 | 1.47 |
| Hotblooded Personality | 1 | 2.10 | 1.46 |
| Tominagi Engages in (Sexual) | 1 | 2.10 | 1.45 |
| Parted to Side Hair | 3 | 1.04 | 1.44 |
| Wounding Subject of | 1 | 2.07 | 1.44 |
| Honorable Personality | 1 | 2.07 | 1.43 |
| Bullying Subject of | 1 | 2.06 | 1.43 |
| Cross Necklace Clothes | 1 | 2.05 | 1.42 |
| Brave Personality | 1 | 2.04 | 1.42 |
| Sly Personality | 1 | 2.02 | 1.40 |
| Emotional Personality | 1 | 2.01 | 1.39 |
| High School Student Role | 4 | 0.86 | 1.39 |
| Injury Subject of | 1 | 2.00 | 1.38 |
| Cleaning Engages in | 1 | 1.99 | 1.38 |
| Overweight Body | 1 | 1.98 | 1.37 |
| Decorative Belt Clothes | 1 | 1.98 | 1.37 |
| Sharp-tongued Personality | 1 | 1.97 | 1.37 |
| Tall Body | 1 | 1.97 | 1.36 |
| Cold-hearted Personality | 1 | 1.96 | 1.36 |
| Scar Body | 1 | 1.94 | 1.35 |
| Vibrator Subject of (Sexual) | 1 | 1.94 | 1.34 |
| Old Body | 1 | 1.92 | 1.33 |
| Bisexual Role | 1 | 1.91 | 1.33 |
| Villain Role | 1 | 1.91 | 1.32 |
| Masturbation in front of an Audience Engages in (Sexual) | 1 | 1.90 | 1.32 |
| Beard Hair | 1 | 1.89 | 1.31 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.31 |
| Jealous Personality | 1 | 1.87 | 1.30 |
| Blue Eyes | 4 | 0.80 | 1.30 |
| Multicolored Hair | 1 | 1.86 | 1.29 |
| Standing Sex Engages in (Sexual) | 1 | 1.86 | 1.29 |
| Doggy Style Subject of (Sexual) | 3 | 0.92 | 1.28 |
| Outdoor Sex Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Hat Clothes | 1 | 1.83 | 1.27 |
| Younger Appearance Body | 1 | 1.83 | 1.27 |
| Sitting Sex Engages in (Sexual) | 1 | 1.82 | 1.26 |
| Moustache Hair | 1 | 1.82 | 1.26 |
| Rape Engages in (Sexual) | 1 | 1.81 | 1.25 |
| Son Role | 1 | 1.81 | 1.25 |
| School Uniform Clothes | 4 | 0.77 | 1.23 |
| Sword Items | 1 | 1.77 | 1.23 |
| Boku Personality | 1 | 1.77 | 1.23 |
| Spit-roast Subject of (Sexual) | 1 | 1.75 | 1.21 |
| Young-adult Body | 4 | 0.75 | 1.21 |
| Quickie Fix Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Reserved Personality | 1 | 1.71 | 1.18 |
| Outgoing Personality | 1 | 1.71 | 1.18 |
| Stoic Personality | 1 | 1.70 | 1.18 |
| Spiky Hair | 1 | 1.70 | 1.18 |
| Carefree Personality | 1 | 1.69 | 1.17 |
| Sitting Sex Subject of (Sexual) | 2 | 1.06 | 1.17 |
| Doggy Style Engages in (Sexual) | 1 | 1.68 | 1.16 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.15 |
| Sex with Protagonist Only Engages in (Sexual) | 1 | 1.66 | 1.15 |
| Protective Personality | 1 | 1.66 | 1.15 |
| Kouhai Role | 1 | 1.63 | 1.13 |
| Senpai Role | 1 | 1.62 | 1.12 |
| Pervert Personality | 1 | 1.62 | 1.12 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Nail Polish Body | 1 | 1.61 | 1.12 |
| Grey Eyes | 1 | 1.59 | 1.11 |
| Brown Hair | 4 | 0.69 | 1.10 |
| Bracelet Clothes | 1 | 1.55 | 1.08 |
| Vest Clothes | 1 | 1.52 | 1.06 |
| Energetic Personality | 1 | 1.52 | 1.05 |
| Pendant Necklace Clothes | 1 | 1.52 | 1.05 |
| Blowjob Subject of (Sexual) | 1 | 1.52 | 1.05 |
| Green Hair | 1 | 1.48 | 1.03 |
| Seventh Posture Subject of (Sexual) | 1 | 1.47 | 1.02 |
| Shoulder-length Hair | 2 | 0.92 | 1.01 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Teasing Engages in | 1 | 1.42 | 0.99 |
| Cooking Engages in | 1 | 1.42 | 0.98 |
| Short Hair | 4 | 0.61 | 0.98 |
| Blond Hair | 2 | 0.89 | 0.98 |
| Gloves Clothes | 1 | 1.41 | 0.98 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Grey Hair | 1 | 1.38 | 0.96 |
| Hosome Eyes | 1 | 1.37 | 0.95 |
| Tominagi Subject of (Sexual) | 1 | 1.35 | 0.94 |
| Not Sexually Involved Engages in | 1 | 1.35 | 0.94 |
| Red Hair | 1 | 1.32 | 0.92 |
| T-shirt Clothes | 1 | 1.31 | 0.91 |
| Black Hair | 2 | 0.80 | 0.88 |
| Blue Hair | 1 | 1.20 | 0.83 |
| Standing Sex Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Slim Body | 3 | 0.57 | 0.79 |
| Missionary Subject of (Sexual) | 1 | 1.12 | 0.78 |
| Tareme Eyes | 1 | 1.11 | 0.77 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Pale Body | 7 | 0.37 | 0.76 |
| Amber Eyes | 1 | 1.03 | 0.72 |
| Kind Personality | 1 | 1.02 | 0.71 |
| Teen Body | 2 | 0.62 | 0.68 |
| Straight Hair | 1 | 0.93 | 0.65 |
| Virgin Sex Engages in (Sexual) | 1 | 0.85 | 0.59 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |
| Long Hair | 1 | 0.75 | 0.52 |