'If the sex is bad, leave': South Korea wakes up to its sexual revolution

Deeply conservative society is opening up on sex, and women are challenging centuries of strict gender roles in relationships

When Lin Yu-han has a successful date, she uses Twitter to talk about it. Other times she simply calls for her followers to shed South Korea's conservative social mores and have a bit more fun.

"Why do you need to be engaged or feel some deep responsibility to have sex?" she wrote. "If they're hotties with bodies just hop on."