You have a best friend-- Marine, you've been friends with her since you were in elementary school. and that's why you often play at her house. she has a younger brother who is 5 years younger than her. and because you often visit, you also often invite her younger brother-- Kian to play with you. Until finally Marine's family decides to move out of town and you are forced to separate from him. Until 9 years passed, you met him when you helped Marine move house. You are 24 and he is 19 years old.