Boy/boy school adult (Comedy)

Vol 1 - Chintsubu A
Part 1 - Iwabuchi starts hanging out with girls from his cram school, and Kamiya-chinko freaks out. What is he up to?
Part 2 - Toride's soul moves up to Ayase's nipple and covers their issues about this new development.
(Chintsubu A is included in Chintsubu volume 3, as chapter 20-21)

Vol 2 - Chintsubu B
When Iwabuchi engages in more chinko cosplay, Kamiya is upset and they get into another fight. The cosplay chinkos are not to be missed in this!

Vol 3 - Chintsubu C
Part 1

Even though Amemiya is man, he has a very round, full (and sensitive) ass that just begs to be fondled!

Why would Kashiwaya be so bothered by Hibino's Adam's apple? Kashiwaya couldn't figure out the reason and thought maybe he might be a vampire. After pushing Hibino down and licking at his throat, Kashiwaya felt so good that he didn't want to stop. What is going on? The pure and innocent love story of a unique high-schooler, Kashiwaya, and his classmate, Hibino.

Ikehata Shino was raised as a kuniochi, a fearless male ninja who uses sex to get information from men. Since he's a guy Ikehata never thought he'd use his skills, until he met the cool, handsome Andou. But no matter how hard he tries, Ikehata can't seem

Short story about comic duo Asahi and Shinsai: from couple of idiots to idiot couple.

Ch.1 Kishitani, a hair fanatic, quickly becomes enamored of his classmate Shiba's silky, straight hair... Or is he actually enamored of Shiba himself?

Ch.2 From The Back Door Scans:
Shiba-kun is Kishitani Shougo-kun's muse. He thought it was mutual love, but Shougo has started acting strange...?

In order to repay a favor, Yu Le ended up being a scapegoat, severely insulting the school adonis Gu Yan.
From the start of class, Gu Yan has been glaring at him, even until the end of the day.
In order to get his "revenge", Gu Yan kept finding trouble with Yu Le.
Originally, it was just to teach Yu Le a lesson, but who could have expected, the "revenge" actually changed, Gu Yan felt that Yu Le was gradually pleasing to the eye, making it harder to make a move... -