The Slave of Hieronymous

A strange rumor has been going around the interenet, posted by the a user called “The Slave of Hieronymus”. The rumor claims “as the program commences, newscaster Manami Kuwahara will be erased.” The media gathered inside the noisy TV station as the news program was due to air. Yoneda, both the show’s producer and Manami’s husband, was unable to relax. Soon the program began to air, and in accordance with the announcement Manami dissapeared in a flash of light. Who is “The Slave of Hieronymus”? How and why has he done this?