From MangaHelpers: Nagisa is excited about her first boyfriend ever, Chihiro, whom she met in college. He is cool, good looking, and everything she hoped for, except for one thing: he is an otaku. You wouldn...

Toguro-san, a shy and reserved girl, changes personality becoming aggressive and arrogant when she is possessed by snails.

https://www.cmoa.jp/title/213453/

Spinoff 4-koma comic of Nana to Kaoru drawn by Momose Tamami, serialized in Young Animal Arashi magazine.

High school boy x girl from a mahjong club

On a night out drinking to get over being duped and ditched by her last boyfriend, Koda Minare ends up providing a massive drunken rant--while blackout drunk--for Matou, the director of a radio station. The...

Included in Isshou Suki tte Yutta jan one-shots collection.

Kaoru is a 17-year-old virgin who has an SM fetish. He secretly dreams about an SM relationship with his childhood friend Nana. One day Kaoru's mom asks Nana to hide all his SM toys so he'll study for a...

The story begins eight months in the future of the main story, with Nana and Kaoru in the summer of their final year of high school. It uses a different supporting cast and a different location for the setting,...

Nana and Kaoru are now third-years in high school, and tests are heating up. However, their ”breathers” are also heating up. The story takes place in the third year of high school, after the ending of the manga...

Nanako is an athletic and free-spirited girl that excels in every sport she does. Many of the sports groups at her school request her assistance at important matches. Where she excels the most is when she finds...

Selection of stories from Nanako-san series, reprinted under a new title.

“Corporate wage slave Takahashi has never had a girlfriend — until he tries out a dating app and finds what seems to be the perfect match. Pretty, young, and successful, Nanase’s got it all…except for sanity...

Based on the Eroge by UNiSONSHIFT. We've got our main character, Tsuwabaki, a normal student, but one day he bumps into a weird guy with "not cosplay ears" who gives him a drink. It transforms Tsuwabaki into a...

Teacher, what are you doing here? You're not allowed here, and moreover. Well, yes, I can see that you're having a problem, but you really should. Wait, why are your clothes coming off? What's happening? Wait a...

For Tetsuya, being in a gang is his identity. Being an Osaka boy, he speaks his mind and oftentimes, it gets him into trouble. After dropping out of school without a job in sight, he spends his days screwing...