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 | 4.76 |
| Vampire Role | 7 | 2.25 | 4.68 |
| Being in Heat Subject of | 3 | 2.95 | 4.09 |
| Fang Body | 6 | 1.88 | 3.65 |
| Loose Necktie Clothes | 3 | 2.62 | 3.64 |
| Tailcoat Clothes | 3 | 2.62 | 3.63 |
| Researcher Role | 3 | 2.39 | 3.32 |
| Ore Personality | 7 | 1.58 | 3.28 |
| Male on Male Sex Engages in (Sexual) | 4 | 1.99 | 3.21 |
| Scientist Role | 3 | 2.28 | 3.16 |
| Grandson Role | 2 | 2.73 | 3.00 |
| Executive Role | 3 | 2.15 | 2.98 |
| Frot Engages in (Sexual) | 2 | 2.70 | 2.97 |
| Belt Clothes | 9 | 1.27 | 2.93 |
| Anal Fingering Engages in (Sexual) | 3 | 2.05 | 2.84 |
| Male Cleavage Body | 2 | 2.53 | 2.78 |
| Sex with Others Engages in (Sexual) | 3 | 1.99 | 2.75 |
| Loyal Personality | 4 | 1.69 | 2.72 |
| Sexual Harassment Engages in | 2 | 2.45 | 2.69 |
| Sex in Front of an Audience Engages in (Sexual) | 5 | 1.50 | 2.69 |
| Lanyard Clothes | 1 | 3.82 | 2.65 |
| Unarmed Fighting Engages in | 3 | 1.89 | 2.62 |
| Quickie Fix Engages in (Sexual) | 3 | 1.88 | 2.61 |
| Confinement Engages in | 2 | 2.37 | 2.61 |
| Short-tempered Personality | 3 | 1.85 | 2.56 |
| Aikido Engages in | 1 | 3.70 | 2.56 |
| Smuggling Subject of | 1 | 3.65 | 2.53 |
| Scalpel Items | 1 | 3.65 | 2.53 |
| Lab Coat Clothes | 3 | 1.80 | 2.49 |
| Famous Role | 2 | 2.24 | 2.47 |
| Half Vampire Role | 1 | 3.55 | 2.46 |
| Anal Sex Engages in (Sexual) | 3 | 1.76 | 2.45 |
| Handjob Subject of (Sexual) | 3 | 1.75 | 2.43 |
| Pragmatic Personality | 2 | 2.20 | 2.42 |
| Anal Fingering Subject of (Sexual) | 3 | 1.71 | 2.37 |
| Red Eyes | 6 | 1.20 | 2.33 |
| Bloody Sex Subject of (Sexual) | 1 | 3.36 | 2.33 |
| Violent Personality | 2 | 2.10 | 2.31 |
| Fighting Engages in | 5 | 1.29 | 2.31 |
| Collar Clothes | 3 | 1.66 | 2.30 |
| Muscular Body | 3 | 1.64 | 2.28 |
| Genetic Research Engages in | 1 | 3.20 | 2.22 |
| Genius Personality | 2 | 1.99 | 2.19 |
| Switch Role | 1 | 3.11 | 2.16 |
| Kunai Items | 1 | 3.10 | 2.15 |
| White Hair | 4 | 1.33 | 2.15 |
| Uneducated Personality | 1 | 3.08 | 2.14 |
| Cruel Personality | 2 | 1.93 | 2.13 |
| Stutter Personality | 1 | 3.06 | 2.12 |
| Cravat Clothes | 2 | 1.92 | 2.11 |
| Ore-sama Personality | 1 | 3.02 | 2.09 |
| Handjob Engages in (Sexual) | 5 | 1.16 | 2.07 |
| Erotic Humiliation Subject of (Sexual) | 1 | 2.98 | 2.07 |
| Stethoscope Items | 1 | 2.98 | 2.07 |
| Student Role | 3 | 1.49 | 2.06 |
| Rape by Proxy Engages in (Sexual) | 1 | 2.97 | 2.06 |
| Tsundere Personality | 2 | 1.87 | 2.05 |
| Fingerless Gloves Clothes | 2 | 1.86 | 2.04 |
| Watashi Personality | 4 | 1.26 | 2.02 |
| Werewolf Role | 1 | 2.89 | 2.01 |
| Legal Guardian Role | 1 | 2.88 | 2.00 |
| Necktie Clothes | 5 | 1.11 | 2.00 |
| Surgery Subject of | 1 | 2.88 | 2.00 |
| Not an Anal Virgin Role | 1 | 2.88 | 2.00 |
| Suit Clothes | 3 | 1.44 | 1.99 |
| Human Subject Research Engages in | 1 | 2.86 | 1.98 |
| Eye Covering Hair | 2 | 1.80 | 1.98 |
| Classmate Role | 4 | 1.23 | 1.98 |
| Medication Engages in | 1 | 2.85 | 1.98 |
| Earrings Clothes | 3 | 1.42 | 1.97 |
| Infamous Role | 1 | 2.84 | 1.97 |
| Friendly Personality | 4 | 1.22 | 1.96 |
| 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 | 2.73 | 1.89 |
| Orphan Role | 2 | 1.70 | 1.87 |
| Confident Personality | 2 | 1.70 | 1.87 |
| Arrogant Personality | 2 | 1.70 | 1.87 |
| Anal Masturbation Engages in (Sexual) | 1 | 2.69 | 1.86 |
| Bridal Carry Engages in | 1 | 2.68 | 1.86 |
| Stalking Subject of | 1 | 2.65 | 1.84 |
| Childishly Violent Personality | 1 | 2.64 | 1.83 |
| Butt Plug Subject of (Sexual) | 1 | 2.63 | 1.83 |
| Politician Role | 1 | 2.60 | 1.80 |
| Relaxed Personality | 2 | 1.64 | 1.80 |
| Discrimination Subject of | 1 | 2.58 | 1.79 |
| German Role | 1 | 2.58 | 1.79 |
| Electric Shock (BDSM) Subject of (Sexual) | 1 | 2.52 | 1.75 |
| Coward Personality | 1 | 2.52 | 1.75 |
| Claw Body | 1 | 2.52 | 1.75 |
| Tsukkomi Role | 1 | 2.50 | 1.73 |
| Curly Hair | 1 | 2.49 | 1.72 |
| Secretary Role | 1 | 2.48 | 1.72 |
| Penile Masturbation Engages in (Sexual) | 1 | 2.47 | 1.71 |
| Refined Personality | 2 | 1.54 | 1.69 |
| Half Updo Hair | 1 | 2.44 | 1.69 |
| Hard Worker Personality | 2 | 1.54 | 1.69 |
| Delinquent Role | 1 | 2.43 | 1.68 |
| Hood Clothes | 1 | 2.43 | 1.68 |
| Modern Tsundere Personality | 1 | 2.43 | 1.68 |
| Stalking Engages in | 1 | 2.41 | 1.67 |
| Human Subject Research Subject of | 1 | 2.41 | 1.67 |
| Friend Role | 3 | 1.20 | 1.67 |
| Living Alone Role | 1 | 2.40 | 1.66 |
| Cynic Personality | 1 | 2.39 | 1.66 |
| Trousers Clothes | 3 | 1.19 | 1.65 |
| Magic Wand Subject of (Sexual) | 1 | 2.37 | 1.64 |
| Assault Engages in | 1 | 2.36 | 1.64 |
| Serious Personality | 2 | 1.49 | 1.63 |
| Actor Role | 1 | 2.36 | 1.63 |
| Half-naked Clothes | 1 | 2.33 | 1.62 |
| Sexual Fantasy Engages in (Sexual) | 1 | 2.32 | 1.61 |
| Assault Subject of | 1 | 2.31 | 1.60 |
| Distrustful Personality | 1 | 2.29 | 1.59 |
| Obedient Personality | 1 | 2.29 | 1.59 |
| Class President Role | 1 | 2.28 | 1.58 |
| Foreigner Role | 1 | 2.28 | 1.58 |
| Poor Role | 1 | 2.26 | 1.57 |
| Bullying Engages in | 1 | 2.25 | 1.56 |
| Observant Personality | 1 | 2.24 | 1.56 |
| Sexual Harassment Subject of | 1 | 2.23 | 1.54 |
| Spoons Engages in (Sexual) | 1 | 2.22 | 1.54 |
| Sexual Fantasy Subject of (Sexual) | 1 | 2.22 | 1.54 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.53 |
| Anal Object Insertion Subject of (Sexual) | 1 | 2.19 | 1.52 |
| Glasses Clothes | 3 | 1.08 | 1.50 |
| Fainting Subject of | 1 | 2.15 | 1.49 |
| Vindictive Personality | 1 | 2.15 | 1.49 |
| Swordsmanship Engages in | 1 | 2.15 | 1.49 |
| Sexual Sadism Engages in (Sexual) | 1 | 2.14 | 1.49 |
| Condom Sex Engages in (Sexual) | 1 | 2.14 | 1.49 |
| Accident Subject of | 1 | 2.14 | 1.48 |
| Possessive Personality | 1 | 2.13 | 1.47 |
| Tominagi Engages in (Sexual) | 1 | 2.12 | 1.47 |
| Parted to Side Hair | 3 | 1.05 | 1.46 |
| Hotblooded Personality | 1 | 2.10 | 1.46 |
| Wounding Subject of | 1 | 2.09 | 1.45 |
| Honorable Personality | 1 | 2.06 | 1.43 |
| Bullying Subject of | 1 | 2.06 | 1.43 |
| Brave Personality | 1 | 2.05 | 1.42 |
| Tall Body | 1 | 2.05 | 1.42 |
| Cross Necklace Clothes | 1 | 2.05 | 1.42 |
| Sly Personality | 1 | 2.04 | 1.41 |
| Emotional Personality | 1 | 2.02 | 1.40 |
| Injury Subject of | 1 | 2.00 | 1.38 |
| Overweight Body | 1 | 1.99 | 1.38 |
| Cleaning Engages in | 1 | 1.99 | 1.38 |
| Vibrator Subject of (Sexual) | 1 | 1.98 | 1.37 |
| Decorative Belt Clothes | 1 | 1.98 | 1.37 |
| High School Student Role | 4 | 0.85 | 1.37 |
| Sharp-tongued Personality | 1 | 1.97 | 1.37 |
| Cold-hearted Personality | 1 | 1.95 | 1.35 |
| Scar Body | 1 | 1.95 | 1.35 |
| Bisexual Role | 1 | 1.95 | 1.35 |
| Old Body | 1 | 1.94 | 1.34 |
| Masturbation in front of an Audience Engages in (Sexual) | 1 | 1.90 | 1.32 |
| Villain Role | 1 | 1.90 | 1.32 |
| Beard Hair | 1 | 1.90 | 1.31 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.31 |
| Jealous Personality | 1 | 1.88 | 1.30 |
| Standing Sex Engages in (Sexual) | 1 | 1.87 | 1.30 |
| Blue Eyes | 4 | 0.80 | 1.29 |
| Multicolored Hair | 1 | 1.86 | 1.29 |
| Doggy Style Subject of (Sexual) | 3 | 0.93 | 1.28 |
| Outdoor Sex Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Moustache Hair | 1 | 1.83 | 1.27 |
| Hat Clothes | 1 | 1.83 | 1.27 |
| Sitting Sex Engages in (Sexual) | 1 | 1.83 | 1.27 |
| Son Role | 1 | 1.82 | 1.26 |
| Younger Appearance Body | 1 | 1.82 | 1.26 |
| Rape Engages in (Sexual) | 1 | 1.82 | 1.26 |
| Boku Personality | 1 | 1.78 | 1.24 |
| Young-adult Body | 4 | 0.76 | 1.23 |
| Sword Items | 1 | 1.77 | 1.23 |
| Spit-roast Subject of (Sexual) | 1 | 1.75 | 1.21 |
| School Uniform Clothes | 4 | 0.75 | 1.21 |
| Outgoing Personality | 1 | 1.74 | 1.20 |
| Reserved Personality | 1 | 1.72 | 1.19 |
| Quickie Fix Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Stoic Personality | 1 | 1.70 | 1.18 |
| Spiky Hair | 1 | 1.69 | 1.17 |
| Doggy Style Engages in (Sexual) | 1 | 1.69 | 1.17 |
| Sitting Sex Subject of (Sexual) | 2 | 1.06 | 1.17 |
| Protective Personality | 1 | 1.68 | 1.16 |
| Sex with Protagonist Only Engages in (Sexual) | 1 | 1.68 | 1.16 |
| Carefree Personality | 1 | 1.68 | 1.16 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Pervert Personality | 1 | 1.63 | 1.13 |
| Nail Polish Body | 1 | 1.63 | 1.13 |
| Kouhai Role | 1 | 1.63 | 1.13 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Senpai Role | 1 | 1.61 | 1.12 |
| Grey Eyes | 1 | 1.60 | 1.11 |
| Brown Hair | 4 | 0.68 | 1.10 |
| Bracelet Clothes | 1 | 1.56 | 1.08 |
| Blowjob Subject of (Sexual) | 1 | 1.52 | 1.06 |
| Vest Clothes | 1 | 1.52 | 1.06 |
| Pendant Necklace Clothes | 1 | 1.52 | 1.06 |
| Energetic Personality | 1 | 1.52 | 1.05 |
| Green Hair | 1 | 1.48 | 1.02 |
| Seventh Posture Subject of (Sexual) | 1 | 1.46 | 1.01 |
| Shoulder-length Hair | 2 | 0.92 | 1.01 |
| Teasing Engages in | 1 | 1.45 | 1.00 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Cooking Engages in | 1 | 1.42 | 0.98 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Gloves Clothes | 1 | 1.41 | 0.98 |
| Short Hair | 4 | 0.61 | 0.98 |
| Blond Hair | 2 | 0.89 | 0.97 |
| Grey Hair | 1 | 1.38 | 0.96 |
| Hosome Eyes | 1 | 1.37 | 0.95 |
| Not Sexually Involved Engages in (Sexual) | 1 | 1.36 | 0.94 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Red Hair | 1 | 1.32 | 0.92 |
| T-shirt Clothes | 1 | 1.31 | 0.91 |
| Black Hair | 2 | 0.81 | 0.88 |
| Blue Hair | 1 | 1.19 | 0.83 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.82 |
| Slim Body | 3 | 0.58 | 0.80 |
| Missionary Subject of (Sexual) | 1 | 1.12 | 0.77 |
| Pale Body | 7 | 0.37 | 0.77 |
| Tareme Eyes | 1 | 1.10 | 0.76 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Amber Eyes | 1 | 1.03 | 0.71 |
| Kind Personality | 1 | 1.03 | 0.71 |
| Teen Body | 2 | 0.62 | 0.68 |
| Straight Hair | 1 | 0.95 | 0.66 |
| 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 |