Kobayakawa is the new editor for Kaji "K" sensei. Kaji is a popular erotica author whose flashy appearance brings a lot of attention and rumors, like how two of his sex friends got into a cat-fight in the middle of a highway or how he's sent three editors to the hospital. After seeing Kaji working so seriously, Kobayakawa begins disregarding the rumors. That is until, Kaji pushes him down as a "reward."
K-Sensei Volume 2
K-sensei Volume 3
K-sensei Volumes 4 and 5
As a punishment, model Nanami Jun becomes an assistant of doujin artist Wakame Kaoru. Jun does sloppy work with an attitude to the point of getting kicked out. However, his behavior changes when he realizes the doujin artist is actually Kase Yutai the supermodel Jun aspires to be like.
Poor college student Kusumi hits novelist Kijima with his bike, breaking Kijima's arm. Unable to compensate Kijima for his injuries, Kijima offers Kusumi an deal where Kusumi transcribes Kijima’s latest story as he orally dictates it. But, Kusumi is surprised to find out Kijima write erotic novels.
Since being helped by him 12 years ago, Kotaru has been looking forward to meeting Ayumi again. When Kotaro shows up to work as writer Ayumi's housekeeper, he is shocked to see Ayumi isn't anything like he remembered. Instead, Ayumi is a scruffy man living in an apartment filled with trash. Not to mention a total pervert.
After being rejected by multiple publishers, wannabe mangaka Hotaruda is referred to an ero manga magazine. The magazine's editorial department is filled with strange people, but Hotaruda is hopeful after meeting his new editor Kayama. However, he finds his hope being replaced by disgust when Kayama suddenly starts riding him and admits to being a hardcore masochist.
Insomniac author Tatsumi was often visited by 10 year old Subaru and, though initially annoyed, Tatsumi began to enjoy the noisiness and warth Subaru brought. However, Subaru was forced to move overseas due to his parents work, but promised to return as an adult. While waiting for Subaru, Tatsumi wrote a love letter in the form of a best-selling novel and sent it to Subaru, expecting him to not return after reading it. 10 years later, Subaru has shown up at Tatsumi's door.
At the request of his assistant Yuria, ero mangaka Asahina hires a housemaid service. Asahina is shocked when the cleaner that shows up is Sahara, Asahina's bully senpai and first love, who he ran away from after confessing. At first it seems Sahara has forgotten Asahina, but when Yuria leaves Sahara returns to his usual bullying, even rejecting Asahina's 10 year old confession. Now, Asahina fears having to see Sahara every week.
K-sensei no Yajuu na Aijou