I'd say no. 'A Sister's Secret' sounds like a made-up tale. Authors often come up with intriguing names to captivate readers and tell fictional stories that explore various themes and emotions.
Not really. 'A Sister's Secret' is mostly a fictional creation. It might draw inspiration from some common themes or situations, but it's not directly based on a specific true event.
Yes. 'A Sister's Secret 2018' is based on a true story, with some artistic liberties taken to make it more engaging for the audience. The core elements and main plot points are rooted in reality.