Microscopic creatures from the Arachnid class over 30 kinds live with us (In Millions) in human hair, mattresses carpets, and food. They live on skin particles (3 grams per day) shed by human bodies. Evolves little in over 400 million years. Science has identified about 45000 species to cover only 5% of the total number, some causes skin reaction and asthma. What if we are able to see and hear them? In this work we share their daily life.