Raden was a cool teacher before joining #hololive, and she's doing a stream offering life advice to graduating students in Japanese.
The main goal of the #DEV_IS project is to grow their audience out of their largely male demographic in Japan. And ReGloss was meant to mimic a K-Pop group, but they somehow found this gem of an Art Teacher and Museum curator that can do lectures while still chasing the idol dream.
They're really popular in Japan.