The 5th Generation debuted a few days before this stream
[Note]
・お局(Otsubone) refer to arrogant,bossy senior woman in the office
・ババ(BABA),ババア(BABAA) means Old hub or Grandma
・Kamome ga Tonda Hi(The Day That The Seagulls Flew): Japanese song released in 1978
■Note
If you have a hard time seeing captions on your iPhone, I recommend customizing it
How to set captions on iPhone (on the device)
[Settings] → [Accessibility] → [Subtitles & Captioning] → [Style] Choose your preferred style