A referee's reported remarks to veteran midfielder Ji So-yun of Suwon FC Women have sparked sexual harassment allegations in the WK League. The dispute is expected to escalate as the official allegedly used a slang term for menstruation in response to the player's protest. According to football insiders Sunday, referee Bae Seon-young reportedly used the term "girls' day" while issuing a caution to Ji around the 30th minute of the first half during a regular season match Friday between Suwon and Seoul City Hall. The phrase is a Korean slang term referring to a woman's menstrual cycle. Ji later claimed she heard Bae say over the officials' headset, "She is sensitive from the beginning. She must be on her period." Ji confronted the official, saying, "Referee, what did you just say? If you say such things, it is grounds for disciplinary action," before Bae showed her a yellow card. After receiving the booking, Ji retreated to the bench, discussed the incident with the coaching staff and threw a water bottle in protest. The match was delayed for approximately four minutes as Bae approached t