There are five families living in the same neighbourhood of Ssangmundong, Dobong District, Northern Seoul. The neighbourhood is filled with warmth and love because everyone shares and cares for each other. Being the second daughter in the family with an elder sister and a younger brother, Sung Deok Sun often feels that she is being neglected by her parents. She finds out later that family is her only source of support when she is being harmed.
After the main character is flashed, she is scared to go to the bathroom again. She is briefly aware she is being followed on her way to the bathroom and we see the footsteps following her (however, the viewer can see from the shoes that it is her friend, not the flasher).
In one episode the main character is flashed in a restaurant. The show is quite lighthearted and this is the only scene that I thought was a potential trigger, the character ridicules the flasher before crying. It is a relatively short scene. She is scared to use the bathroom again but her friend goes with her