It is impossible to list them all. How can we have an accurate P-principal quantity?

Masterpieces: two-way series, Paranoia Series, 998 1, Baishixi, Tension Drama, Drama Essence, Tianya Geji, Millennium Frost and Snow, Myrrh Today, Monster Runaway, Late-night Poet, Zombie Dance, Dara Beng Bar, Horror Song, Twin Contract, Power Ruling the World, Singing for A Ling, Past Dreams, Time Synchronized Heartbeat, Big.