I've come across a few titles that touch on ddlg dynamics, though they're often subtle or coded due to cultural differences. The anime 'Usagi Drop' is a heartwarming story about a man who adopts a young girl, focusing on their familial bond rather than romance, but it captures the caregiving aspect beautifully. Another example is 'Clannad,' where the protagonist takes on a protective role over a younger girl, blending emotional depth with slice-of-life storytelling.
For a more direct approach, the manga 'Honey Come Honey' explores age-gap relationships with a softer, romantic tone, though it hasn’t been adapted into anime yet. Live-action Japanese films like 'My Little Monster' sometimes hint at similar dynamics, emphasizing emotional dependency rather than explicit ddlg themes. Western adaptations are rarer, but 'Lolita'—despite its controversial nature—has been adapted into films, though it’s more psychological drama than romance. If you're looking for gentle, consensual ddlg themes, indie manga or webcomics might be your best bet, as mainstream anime tends to shy away from overt portrayals.