The text is a transcript of a video that tells the story of a young woman who dreams of becoming a pianist, but faces many obstacles and challenges in her life. She meets a man who repairs pianos and falls in love with him, but he is already married and has a child. She also struggles with her job as a part-time piano teacher and her family's expectations. The transcript includes dialogue, sound effects, music, and timestamps. A possible concise summary is:
A young woman who loves playing the piano meets a married piano repairman and has an affair with him, while dealing with various difficulties in her life. The transcript shows their conversations, emotions, and music.
Here are the key facts extracted from the text:
1. A nuclear fusion reaction was sustained at over 100 million°C for 30 seconds.
2. The core temperature of the Sun is around 15 million Kelvin.
3. The KSTAR experiment achieved a net energy gain.
4. The KSTAR facility is part of the Korea Institute of Fusion Energy.
5. The experiment's temperature was nearly seven times hotter than the Sun's core.
Please note that these are factual statements based on the provided text and do not include any opinions or subjective interpretations.