stories where characters regret letting go or leaving the
female lead, mostly romance and some family related
https://www.mangago.me/home/mangalist/3061174/ (2)
Literally what the title says it is. Reviews to come later. Only contains mangas ive read, not an exhaustive list.
If you're looking for shoujo angst, check my other list:
https://www.mangago.me/home/mangalist/1194203/
Feel free to suggest more in the comments.
This list also includes works that have historical European/ fantasy themes.
This list contains manga/manhwa/manhua rated: 8.7-8.6
Links to Lists of works with other ratings:
Part 5 (9.0-8.9): https://www.mangago.me/home/mangalist/2397302/
Part 6 (8.9-8.8): https://www.mangago.me/home/mangalist/2409421/
Part 7 (8.8-8.7): https://www.mangago.me/home/mangalist/2519274/
Part 9 (8.6-8.5): https://www.mangago.me/home/mangalist/2628512/
Part 10 (8.5-8.4): https://www.mangago.me/home/mangalist/2751094