The aim of this study is to analyze the first experience of sexual violence that women have suffered through complaint tweets in the #FirstSexualHarassment Campaign. A total of 2,887 tweets were posted with #FirstSexualHarassment for one month, of which 688 were tweets and 2,199 were retweets. In addition, an analysis of the tweets posted confirmed that the 76% of the tweets were from cases of multiple violence suffered against female under the age of 18 (65% were situations of sexual abuse of minors and 11% peer sexual harassment) and 24% to multiple violence against women adults (21.3% sexual harassment, 1.6% harassment based on sex and 1.1% sexual assault). Therefore, sexual violence is a reality that women mostly suffer. Their first experience of violence in the childhood stage. Therefore, sex education is important to prevent sexual violence.