My Neighbour Can't Sleep Episode 15

Mi Do has trouble sleeping after realizing the Su Li will be staying over at Xi Song’s. Even the next morning the is constantly contemplating whether to just go over there. She ends up meeting Su Li who is stuck outside which Mi Do uses her key to let them in. While waiting the the guys to get home, Su Li talks to Mi Do and she gets more depressed about how close the two are. So when she finds out that they are going of the trip together with Aunt Gu and Laing Ge she invites herself to come along. Her plans to stay close by XiSong’s side are thwarted consistently by both Aunt Gu and Liang Ge. They take it so far as Aunt Gu telling Mi Do that Xi Song and Su Li are betrothed to each other. But Xi Song refusal when asked by Mi Do puts her in a better mood but not completely as she still worries because of how close Su Li is with Xi Song.