Perisexual

Ritual beatings were his first perisexual experiences, and they are vividly and enthusiastically remembered and described in his letters.

Source: wiktionary

Since he has just clarified the Edo tendency to distinguish between perisexual and sexual acts, convincingly showing that male-male sexual acts were not problematized before the Meiji period, his position on this issue is not particularly persuasive.

Source: wiktionary

A number of sociocultural and peri-sexual behaviours and practices were thought to be important in determining the epidemiology of STI among the students.

Source: wiktionary