Baka ni Koi toka Shoujiki Muri ja ne?
Guy has been in love with his friend for 5 years but one day he gets propositioned by said oblivious friend to be fubus.
Dekichatta Danshi
Two friends since childhood are actually fuck buddies. One day, one of them gets left with the baby of his older sister and with no one else to raise the baby, he has no choice but to raise the bby himself. Out of concern, his childhood friend decided to help him raise the baby as well.
Renai-rubi no Tadashii Furikata
Main story is about a guy who meets the high school delinquent of hia dark past who didn't recognize him and suddenly confessed wanting to date him. So, he took this as an opportunity for revenge. The other story, and my favorite, is about a guy with a dark past of being a domestic abuser. He deeply regrets it. So much so that he no longer gets into relationships and doesn't laugh as much if at all. One day, his coworker helped him over while he was drunk which ended with them having sex and being FuBus.
Otokonoko No Koto Wa Nani Mo Shiranai
The first story is about two sets of friends each one-sidedly in love with the other. They know that the other is in love with the other so they decided to comfort each other (wink wink). Another story is about this dude who has a thing for this delinquent dude and they have sex whenever dude asks to borrow his pen(is!! Ayyyy). I think I forgot one other side story.
Kasa No Shita, Futari
High school kid hangs out with a bunch of college boyz after he borrowed on of the guys' umbrella. He ends up being really attracted to one of the college boyz but he finds out that that dude is in love with someone else.
Kojirase Cherry
Guy reunties with his childhood friend who used to suck his dick which became the start of his fantasy to cum on people's faces so they become sex friends.
Doutei ni Ai Nante Sakebenai!
Two gay high schoolers find solace in each other as closeted gay men. One is popular the other is average.
momichupa oppabu osu time
A story about a yes-man kind of guy and his friend who offered employment at a sex establishment. Second couple are two guys who work at that sex establishment.
Koitomo Triangle
First story, a guy in an unrequited love with his childhood friend and is sex friends with another friend. Second is about a pole dancer and the bar body guard.
Romantic Joutou