https://www.mangago.zone/read-manga/on_doorstep/
im not sure what they’re actually ages are but they are both adults but idk BUT it’s an amazing story with great art
https://www.mangago.zone/read-manga/mujaki_na_wanko_to_nekokaburi/
also super cute
not specific stories but these lists are full of older uke bl’s
https://www.mangago.zone/home/mangalist/290576/
https://www.mangago.zone/home/mangalist/1700295/
'Love for sale' but you'll have to find it in some other site because they deleted it here </3
Dangerous convenience store
Form of sympathy
Any bl story with legal age gap? Not minor x adult, but adult x adult with age gap, also if possible older uke x younger seme, but it's not required