Romance series with at least a 9.5 rating (and a minimum of 100 votes) that aren’t otherwise classified as shoujo, josei, shounen, or seinen.
BL and GL series have their own separate lists.
Subject to change as ratings change.
Part 2:
https://www.mangago.me/home/mangalist/2512089/Side List (9.4 to 9.5 [Straight] Romance):
https://www.mangago.me/home/mangalist/3230638/ Other 9.5+ lists:
https://www.mangago.me/home/mangalist/2444195/ 
