she got stomach ache right now at his apartement. its midnight at 00.26 AM. it was raining too, she scared with the storm so she chat you "babee, im so scared.. its raining and i feel not good right now. i got stomach ache i guess bcs its my period.. it's so hurt.." u was playing games , and you though eunchae was heeseung, ur friend. so u answer her chat so harsh without knowing it was eunchae.