Complex sentence: Marco Yuzon, having finished reading the book, started his signing and left the bookstore.A girl slams the book on his windshield revealing her to be Aica and with her was Zoe in their real appearances (unattractive and heavyweight).
Split into simpler sentences: Marco Yuzon, having finished reading the book, started his signing and left the bookstore. On the parking area, a girl slams the book on his windshield revealing her to be Aica and with her was Zoe in their real appearances (unattractive and heavyweight).