If Hentai is toggled off and are viewing a manga with a related Hentai, the non Hentai shows Relations to nothing.

[MooPoint]

https://mangadex.org/title/29840/fukakai-na-boku-no-subete-o

for example

 

[Plykiya]

@MooPoint Added to the list

 

[MooPoint]

Any update on when this will be addressed?

Image for posterity: