Aaaand Mika is now an irredeemable character to me. One thing I cannot forgive is a character intentionally being ambiguous and giving misinformation for their own amusement, especially at someone else's expense.
Nothing she can do will ever fix that in my mind.
Edit: Yup, she is the actual worst. Not only did she intentionally exacerbate the ML's misunderstanding for her own amusement, but then she deflected blame and laughed off the whole incident. "But I never said she was a boy" is no excuse when she purposely made his initial misunderstanding worse with her leading statements.
Nothing she says can be trusted ever again now.