Kamisama no Uroko
http://www.mangago.zone/read-manga/kamisama_no_uroko/
not underrated, but Fang. the art is sexy asf and the plot is so interesting (and all consent-y)
Cradle of Imae
http://www.mangago.zone/read-manga/imae_rayuan/
I think the author’s art is super beautiful but they don’t get much attention, I also recommend their completed story: Heaven x Hell Roman Company
Oops sorry was supposed to be it’s own reply
Thank you all for the recommendations
What are some underrated yaoi with really pretty artstyles?