"We would like to emphasise that he is not wearing his trousers. This is a photograph of him without his trousers," YouTube channel Hoverlab said in Korean.

Brands including Prada have cut ties with South Korean actor Kim Soo-hyun amid controversy over his relationship with actress Kim Sae-ron who was found dead in February.

Legal experts have weighed in on the potential consequences Kim Soo Hyun might face. According to current South Korean law, which was revised in May 2020, engaging in sexual acts with a minor under 16, even with consent, can constitute statutory rape or sexual misconduct.