>>98037576She might genuinely have BPD, it has self-destructive relationship tendencies as a symptom, along with emotional swings from happiness to intense crying, abandonment issues, and suicidal thoughts (RM stuff). She's clearly mentally unwell, and not just in the sense that she's a bit autistic and quirky.
Fuck, I knew I should have ignored her on debut, she reminds me of my Ex who was similar - extremely dedicated interests, went from worshipping me to despising me, wanted risky sex, randomly cried, had mommy issues etc. But when I saw Shiori actually trying to be the Mom of Advent I figured she was more put together than it seemed, but I was quite wrong.