Do Hyeon tell Ri Jin that she will live with him and keep watch of him 24/7. Gi Jun goes to Dr. Seok and tries to find out what is wrong with Do Hyeon, but Dr. Seok refuses to tell him. Gi Jun finds out about what Chae Yeon did in Do Hyeon’s blind date and thinks that she switched Do Hyeon because of his position in the company. Do Hyeon teaches Ri Jin everything about his personalities and his family members. Chae Yeon comes to Do Hyeon’s house but finds Ri Jin with him. Do Hyeon goes to the Omega 3 fan-reading event with Ri Jin, who is forced to accompany him. Ri On suddenly appears there, and Do Hyeon manages to help Ri Jin escape. Do Hyeon thinks Ri On is an Omega 3 fan, and they start talking about the book “The Child in the Basement.” Do Hyeon collapses, and Ri Jin manages to slip Do Hyeon out. However, Ri On sees Ri Jin getting in the car with Do Hyeon while they are escaping. Do Hyeon changes to Yo Na, an idol-chasing schoolgirl. While walking home, Do Hyeon kiss Ri Jin. (Source: MyDramaList)