When will Sekitani Kamiki come out in the first season of ipartment?

In the second episode, Guan Gu, a stranger, was originally looking for Eisen Hotel, but he came here by mistake, but Joe seized a good opportunity. Because of the language barrier, and Joe and a fierce fool in the United States, Guangu moved into ipartment by mistake. Meijia was helping Guangu with her luggage when she accidentally found the painting "Love Ding Cat" in Guangu's suitcase. Meijia, who loves comics, suddenly became interested in Guangu.