Main Characters
Minatozaki Sana
- 58 Years Old
- Half Human - Half Vampire
- Intersex
Chou Tzuyu
- 24 Years Old
- Human
- Lesbian
Supporting Characters
James
- Minatozaki Sana's Biological Father
Louisa
- Minatozaki Sana's Step-Mother
Hirai Momo
- Minatozaki Sana's Half-sister
Kim Dahyun
- Hirai Momo's girlfriend
- Louisa's Adopted Daughter
Olivia
- Chou Tzuyu's Grandmother
Butter
- Chou Tzuyu's Pet Dog
Villains
Park Jihyo
- Claiming to be Sana's Mate
- Minatozaki Sana's ex girlfriend
Yoo Jeongyeon
- Im Nayeon's Girlfriend
- Park Jihyo's Friend
Im Nayeon
- Yoo Jeongyeon's Girlfriend
- Park Jihyo's Friend
