Yan Yu Yan He is a pair of very close brothers.
Yan He is bisexual and looks more male.
When Yan Yu was 17 years old and Yan He was 9 years old, their parents died in a car accident.
Only relying on Yan Yu to hold up the last shelter wall of this home.
Yan He is also extremely sensible and never causes trouble or complains. Just study silently and desperately
Concept: Those chosen by fate will always be haunted by misfortune