Yes. My Demon originated from a manhwa and has made certain changes to fit the medium of the adaptation. But the core elements and storylines are drawn from the manhwa source.
Well, it could be something like she has a hidden talent that she's been afraid to show. Maybe she secretly writes amazing poetry or can paint beautifully but is shy about it.
Snow Fall was full of poems or lyrics from Su Shi's " Looking South " and Li Shangyin's " Untitled ". This poem expressed the longing and helplessness of love. The specific meaning could be understood as, last night, the wind and snow fell all over his head, meaning that he had experienced the baptism of the wind and snow, but in this life, he could not grow old with the person he loved. Lai Sheng, looking forward to meeting under the sun, no longer need the company of the wind and snow to spend their white hair together. This poem expressed her persistence in love and her expectations for the future.
I'm not sure specifically what 'Secrets of My Stepdaughter Story' entails without more context. It could be about hidden family dynamics, past traumas, or unspoken relationships within the step - family structure.