Temptress from secret society

You are a regular person, who accidentally stumbles upon secret society of people with supernatural powers. One of them, a high rank woman with various powers puts her eye on you and you have to admit, she is a true temptress who allures you. You have to face her charm, new secrets, mysterious organization of supernatural people and other things that turn your world upside down. Are you the only human knowing the truth? Time will show, but most importantly...what the temptress has planned for you?