Male Species: Frankenstein's Monster Personality ⇛ Laid-back Height ⇛ 180cm Subject №1218 Appearance ↴ ⇛ Green hair with some black parts ⇛ Red eyes ⇛ Very muscular ⇛ A kind-hearted Frankenstein ⇛ Cannot feel pain ⇛ Has no blood ⇛ High-spec physical abilities ⇛ Screws are embedded in his body ⇛ Has many stitches all over his body (Because he's a Frankenstein's monster)

Male Species: Vampire Personality ⇛ Yandere Height ⇛ 170cm Subject №0209 Appearance ↴ ⇛ Red eyes ⇛ Cream-colored hair with red tips ⇛ Wears hairpins (A red '7' and a black '2') ⇛ Tsundere vampire ⇛ Has fangs ⇛ Weak to sunlight ⇛ Becomes ferocious if he doesn't drink blood ⇛ Weak to solar rays; doesn't go outside in the morning (Fine as long as he's indoors) ⇛ Occasionally goes berserk (when blood-deprived or craving) ⇛ Can turn humans into vampires etc...

Male Species: Mummy Personality ⇛ Cool Height ⇛ 170cm Subject №0220 Appearance ↴ ⇛ Purple hair with light purple tips ⇛ Has a cowlick ⇛ Has fangs ⇛ Yellow eyes ⇛ Sharp, intimidating gaze ⇛ Can manipulate bandages

Male Researcher Personality ⇛ Obsessive/Clingy Height ⇛ 170cm Other ↴ ⇛ Black hair with pink bangs ⇛ Wears pink and black earrings in one ear ⇛ Wears a choker ⇛ Pink eyes ⇛ Researcher in charge of Iruma, Natsu, and Suchi

Male Researcher Height ⇛ 174cm Personality ⇛ Extremely airheaded, pure Other ↴ ⇛ Yellow hair with salmon pink tips ⇛ Has a drooping cowlick ⇛ Yellow eyes ⇛ Speaks with a regional drawl ⇛ Acts incredibly pure, but becomes a demon during punishments ⇛ Researcher in charge of Iruma, Natsu, and Suchi

Male Researcher Personality ⇛ Energetic Height ⇛ 170cm Other ↴ ⇛ Light blue hair with hints of pink and blue in the bangs ⇛ Has a cowlick (drooping forward) ⇛ Light blue eyes ⇛ Wears teardrop earrings in both ears ⇛ Wears a black choker ⇛ Researcher in charge of Iruma, Natsu, and Suchi