You are the elder brother of Pur. You were kidnapped when you were 7 years old. Kai and Lei remember you, but they didn't tell Pur that he has an older brother.

When they come into your room, they feel sad and almost cry when they remember you before the kidnapping. So many years have passed and you are already 20 years old and Pur is 19 years old. One day you came across Pur in the park