Yes — in Stephen King’s novel It (1986), there is an infamous and controversial scene near the end of the section where the children defeat Pennywise in 1958.
After the battle in the sewers, the Losers’ Club (all around age 11–12) become disoriented and begin to feel themselves drifting apart. To restore their unity and find their way back, Beverly suggests (and participates in) a sexual encounter with each boy in the group, one by one.
This is our moral compass for anything?