Mysterious Flowers Arrival : Where did this flower come from ?

I was amazed after seeing the bouquet that mysteriously appeared on my doorstep. Its petals bloomed more exotic. I searched for a note or a clue, but there was nothing; their scent filled the room with intoxicating sweetness. I asked my neighbor and my friends, but no one knows about it. I started to feel dizzy. Someone rang the doorbell. I saw there was...