"She taught me everything, including how to defeat her"
The fermentation of one-way secret love*The dislocation of utilization and addiction
From training to playing chess, from chess pieces to chess players, from imprisonment to imprisonment. The power and emotions of the two heroines are extremely reversed.
The identity was reversed twice. The eldest princess Li Changning rescued the proton princess Tuoba Zhaoyue and used her as a chess piece for several years. She thought she had tamed a knife, but she didn't know she had raised a wolf
Ancient court intrigues*love orientation (double heroines/GL)