You Said You Can See Time, But That's Probably Your Life Flashing By - S1.E6

Continuing from the last episode, Isumi gets to Nagi's mansion but Hayate leaves to pick up the tea that he was supposed to get. Hayate is ambushed by Isumi's protective staff and the loan sharks from the first two episodes. Hayate eventually makes it back, but comes down with a cold. The next day after Hayate has healed, he meets a young boy and his maid who have come to Nagi's mansion. The boy, Wataru Tachibana, is Nagi's fiancé.