thank you evrybody. I just think that the pture is different: not all mother in those mangas are "caring". But maybe I am wrong

Would prefer a general "doting" tag. [1] shows a caring sister (not a mom). By generalizing it, you dont have to make separate tags for caring mom, caring sister, caring friend, etc. You can search "doting + sister" or "doting + mother" to get the more specific thing you want. That said, doting it hints at a slightly more obsessive attitude than "caring" I think. Maybe we could have separate "caring" and "doting" tags? [1] doting sister #523080 | Boku no Onee-chan - My dear Sister is M… | 72,531 [2] caring mom pg17 #304307 | Akarui Kazoku Seikatsu | 152,107

And it always contains and is out numbered by other galleries that are not what this tag would mean.

"mother" and "son" are already tags