Having read a lot of manga and webtoons set in those times, seeing everyone complain about how he's a bad dad is weird because it's pretty common for parents to not actively be involved in educating their children.
Also imagine if the slime never took over her body. Her dad would've been wrecked with grief blaming himself for being too late to exorcise her.
Also imagine if the slime never took over her body. Her dad would've been wrecked with grief blaming himself for being too late to exorcise her.