When did Gao Zhixun, who penetrated the roof, know that the mute was a student of Ruiyun University?
She accidentally fell out of her bag when she silently drilled into the door of Hejun's room. Later, Li Hai played a credit card game with the bank card in his wallet. Silent back to find along while also didn't find it. When he went downstairs, he met Ji-hoon to pick up the student ID card next to the sofa. She flew down the stairs, but Ji-hoon actually saw it.