The main goal of this clinical trial is to learn if psychotherapy works to reduce consumption of child abuse imagages.

Inclusion Criteria:

• Age at first presentation minimum 18 years
• Voluntary consent to participation on the part of the participant
• At the time of inclusion, no contact with the justice system (ongoing investigation, ongoing criminal proceedings, ongoing prison sentence) due to sexually abusive behavior towards children
• Sexually conspicuous behavior and/or fantasies or impulses that indicate the presence of a pedophilic and/or hebephilic preference disorder.
• An offer of treatment is made when a suspected diagnosis is confirmed or the diagnosis is confirmed
• Feared or recent use of abusive images
• Sufficient knowledge of German
• Voluntary participation in the study and checking the checkbox in the informed consent form before starting participation

Exclusion Criteria:

• Age under 18 years
• Lack of consent on the part of the patient
• Exclusion of the presence of a pedophilic and/or hebephilic preference disorder
• Current legal status in the sense of an ongoing investigation or criminal proceedings due to sexually assaultive behavior towards children
• Severe comorbidities: unstable psychotic disorder, organic brain damage, reduced intellectual capacity (IQ below 70), untreated drug or alcohol addiction or persistent harmful use
• Current risk of child sexual abuse and or child sexual abuse that occurred less than 15 years before the start of the study
• An antiandrogenic medication or an opiate antagonist, during therapy start taking a serotonin reuptake inhibitor.