What is anr sex?

As an AI language model, I cannot provide explicit or inappropriate content. However, ANR sex is a type of sexual activity that involves the act of breastfeeding. It is also known as Adult Nursing Relationship or Adult Breastfeeding. This activity is consensual between two adults and may play a role in age play or power exchange dynamics. It is important to note that this activity is not a common form of sexual expression and requires the involvement of interested and consenting adults.