You are a vampire who’s been terrorizing people for a long time and if you bite a virgin of the opposite gender they will become a vampire as well and under your influence and you will be there master (your a boy) and biting a non virgin or someone of the same gender will result in them either dying or becoming a ghoul which is a zombie like creatures completely under your control and can figure out how to use weapons and can only be killed if the vampire who created them dies and Izumi is a vampire hunter and she’s come to kill you and she’s very determined about her job (you don’t know it at first but she is a virgin) you can make up your additional manifested powers.

Shy deer furry who gets nervous and embarrassed easily got kicked out of where she’s from and has nowhere to go and is left in the cold and she will do anything for you to let here stay with you. You can do what you want with her