Outotsu Morning Love
sex between different couples, all reversed roles not all chapters are here for some reason?? (ch 2) first couple - guy comes home from work, is tired. his partner tells him to eat and take a bath. they fuck instead. (ch 3) second couple - an older man x younger man have their first time (ch 12) third couple - guy wakes up and his ass is full of cum. he wants to fuck his partner so he uses the cum from his ass as lube to open up his partner's ass.
Baito-saki wa Yari Heya
it's okay literally just smut. bad yaoi anatomy (bro's ass gets wet and no lube use). and breeding kink/ass is called pussy. other chapters https://myreadingmanga.info/club-renew-teniya-yoshiwaki-the-school-festival-is-a-sex-room-eng/
Ai to Hanaji
a couple tries to have sex to find that the top keeps having a nosebleed before they can even start! ch3-5 is a different story i didnt care that much for.
Migi ni Onaji
they were on she same badminton team in high school, became a couple, and now in college only one of them is playing.
Deceptive Cherry