On Belletristica, there are 4 grades of youth protection:
Free for everyone
Choose this option if your book is suitable for all audiences.
Not for kids (12+)
Choose this option, if your book contains scenes or topics which are likely to frighten younger readers, or might harm them in other ways. Books with this setting get a special mark on them.
Adult content (16+)
Choose this option, if your book contains violence, sexuality or other content which might disturb younger audiences. Books with this setting get a special mark and a warning notice.
Very explicit content (18+)
Choose this option, if your book very explicitly depicts sex scenes or extreme violence, which might even be too much for many adults. Books with this setting will not be listed in our regular book browser
, but they will still be shown in your profile
will list them in her Underworld