A possible concise summary is:
SUGA, a member of BTS, celebrates his birthday with a live broadcast. He shows his cake and decorations, talks about his upcoming concert and rehearsals, shares some personal stories and TMI, answers some questions from fans, and thanks them for their support. He also jokes about giving a spoiler that BTS will appear at the concert. He ends the broadcast by saying goodbye and wishing everyone a good night.
Here are the key facts extracted from the text:
1. The text is a transcript of a live broadcast by SUGA, a member of BTS, on his birthday (March 9th).
2. SUGA had a birthday cake with a cat-shaped decoration and a hair band with candles on it.
3. SUGA talked about the upcoming concert on March 10th, which will have a limited audience and no shouting or singing along due to COVID-19 restrictions.
4. SUGA also talked about his age, his hair color, his diet, his equipment, his family, his COVID-19 experience, and his voting.
5. SUGA ended the broadcast by thanking the fans for their birthday wishes and asking them to look forward to the concert.