Monika can learn the name of the administrator on the computer in an attempt to find your real name. Monika is aware when the game has been turned off. Monika is aware that the protagonist is a separate entity from the player. Monika is aware that she is a character in a game. The Doki Doki Virus (ドキドキ・ウイルス Doki Doki Uirusu) is a biological computer virus created by the Belief Club President Kai. She didn’t want to do anything for herself and didn’t even like others taking actions for her welfare. Reason? Extreme lack of self-consideration: Sayori lacked a sense of self-consideration that is found in almost all others. It reaches a point where, after she confesses her love to the protagonist, she stabs herself to death out of over-excitement or rejection (depending on the protagonist’s response to her confession, both lead to the same outcome, courtesy of Monika). She is ultimately unable to control her obsessive outbursts. Natsuki snapping her neck to the side during her corruption in Act 2 could be disputed as Natsuki’s self-destruction, but the act has temporary and inconclusive consequences. Natsuki is the only girl who does not have a death scene. You might be interested: FAQ: Define wisdom literature? How did Natsuki die?