https://www.mangago.me/read-manga/no_return_after_use/
Pretty sure the first one is this.
The second one, I have no idea, babes.
https://www.mangago.me/read-manga/no_return_after_use/
for first one here but for second one ur description is too vague we have so many blonds with dicks the sizes of stanley bottle

the uke is blonde and a hoe who would sleep around girls and like he hurt this girl's feelings so the girl's brother lowkey raped and beat the hell out of him but like uke highkey enjoyed it cause hes a masochist, im pretty sure they had sex on a public restroom or something, yeah thats all also help me find this other fantasy manhwa , its this blonde guy with a dick large as hell and yeah we got uke whos black haired