Favorites
https://www.mangago.zone/home/mangalist/2614019/
Underrated list
https://www.mangago.zone/home/mangalist/2607295/
Also, going to answer your other question on this one.
My daddy list, everyone is of legal age and all have a character's 30+ as the MC or ML.
https://www.mangago.zone/home/mangalist/2558323/
Some of my favorites for a more mature sweet relationship are
Koi ga Ochitara and the sequel Koi ga Michitara
Sonokoi Jihanki de Kaemasuka? (This one had me blushing, kicking my feet and giggling)
Natsume-san wa Hirakaretai
Koko wa YES to Ittekure
Boku no Omawarisan
Kimi no Tonari de Yurarete
Mitsuya Sensei no Keikakuteki na Edzuke
Far from Romance
Old-fashioned Cupcake
https://www.mangago.zone/read-manga/nerd_project/
it’s currently my fave, i think it’s has a good plot
Drop ur fav under appreciated bl manga/manhwa