A possible concise summary is:
The lyrics of a song about a star and a moon who break their promise to stay together are followed by scenes from a TV show called Sweet Combat. The show is about students from rival martial arts schools who fall in love and face various challenges. The scenes include a dance party, a boxing match, a car wash, a dinner, and a song performance.
Here are the key facts extracted from the text:
1. A nuclear fusion reaction was sustained at over 100 million°C for 30 seconds in South Korea.
2. The temperature achieved is nearly seven times hotter than the core of the Sun.
3. The core of the Sun has a temperature of close to 15.7 million Kelvin.
4. The experiment is considered a move from nuclear fusion being a physics problem to an engineering one.
5. A net energy gain was achieved in the nuclear fusion experiment.
Please note that these facts are based on the information provided and should be verified for accuracy and context.