Reversible

Kinda. Uke had to become seme for the seme due to the seme having a chasity belt, meaning the uke hasn’t bottomed…yet. Well this is a one shot so we will never know. Sasahara Tooru (gay virgin) witnessed his hetero best friend ,kagami's break up & blurted out that if it we're him things would have been different... Shockingly his confession got accepted but they still haven't Banged yet .. Although Tooru wanna be fucked silly somehow kagami seems to avoiding that..??

During his high school years, Keita was slender and had feminine features, but he fell in love with Satoshi, an upperclassman who had the lean, masculine physique he dreamed of. Keita confessed and perhaps due to his beautiful, girly looks, they started going out. Three years later, their relationship is as strong as ever, and they currently live together like newlyweds. However, there was one big change...! Keita had matured into a manly guy! Because Satoshi used to be straight, Keita begins to

Seme is a seke so he was the uke first but now has taken over the seme role
Tsuji Shouma was on his way home from work when he finds a drunk man plastered all over a garbage heap. Pitying the man’s state, he decided to help and brought the man to his home. After cleaning up, he recognizes the man…his middle school classmate, Ashida Takeru. Taking advantage of Shouma’s kindness, what does Takeru do?

UKE X UKE REVERSIBLE COUPLE
Keigo,a super serious guy, and Shohei kosaka, the outgoing have been best friends since high school and ended up attending the same university. Keigo, who's got a crush on Shohei, starts using toys to pleasure himself while thinking about Shohei. On the other hand, Shohei gets some tips from an upperclassman & ends up getting a prostate massager out of pure sexual curiosity. And that's how both went down the glory holes

Suzuki has been indebted to Satou since he stood up for him after a fight while Takahashi has admired the student council president, Satou, for a long time.What happens when these three high schoolers end up in a situation that's oddly shaped like a triangle?