>>7925338The other girls seemingly were kind of resentful towards her for getting an original song on her debut and a loli model which Tsunderia management had previously told them were off limits. I don't mean to say they were mean to her but it probably created an awkward environment when manager-san told them they couldn't do projects because Ria spent all their first month budget on her song. She's quite the introvert so she probably felt really unwelcome in Tsunderia and just bailed.
I don't think she would've graduated over her indie persona being more popular but maybe management pressured her to choose between the two since it wasn't feasible to split her time streaming every week on both.
Pippa from Phase-Connect might end up in the same situation soon.