Shadows of Sorrow in Deep Waters

When they were children, the twin sister was cruelly mocked and verbally abused by Shen Chi. The abuse eventually led to her dying of depression. To get revenge on Shen Chi, Mo Ying disguised herself as a boy, enrolled in the boys' school Shen Chi attended, and became his junior. But while seeking vengeance for her sister, she unexpectedly encountered her sister's therapist, Gu Shenyen... The deeper she dug, the more she realized the truth behind it all was... [A fog of mysteries]