The school is based on a Isolated island. No one can enter and go outside. Strict and crazy rules.
A Girl disguised herself and comes to find her brother. Lost Brother and sister.
Suspicious buttler.

Period Setup, costume and tragic story even acting is similar.
One is Calm as ocean other is like a walking volcano due to past and childhood trauma, he develops Bipolar disorder.
Then Chen Yuzhi appears and Yuelou started to feel alive. But then this is no the end, together they face many dangerous situations.