https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_425353/

https://www.dlsite.com/maniax/work/=/product_id/RJ01235080.html

●Story Overview
A mother and son who accept each other's love.
They lived peacefully in a messy sexual relationship, but one day, that peace was destroyed.
There was anoisy man living next door...
When the mother went to complain to the man about the noise of their daily life, the man turned out to be an old acquaintance.
It was a past that she could not tell her son.
Prostitution, compensated dating etc...
She is threatened by the man who knows her past.
A past that she absolutely does not want her beloved son to know.
Her past is used as a threat, and the mother surrenders her body to the man with a promise that it will only happen once...
Just once.
Just endure it...
However, the man is a scumbag...
Contrary to his mother's feelings, her body is getting hotter and hotter...

Base +22, Pang_Pang +6, GypsyBastard +6, ScrawnyJohny +6, abrickhouse +6, xinmao +6

橘家 再臨？？
但有點莫名其妙的樣子

Base +6, ADIN0 -10, 三水又 +6

赞，不知道还有没有类似的母系纯爱再牛的本子

Base +6, ADIN0 -10, 三水又 +6, gr897861133 +6

I believe this is the prequel.

Boku no Gal Kaa-san - Bakunyuu Gal Haha to Amaama Asedaku Noukou Nakadashi Sex!
https://e-hentai.org/g/3120597/48efffa3bc/

Base +6, ADIN0 +10, 三水又 -6, your_name +6, ScrawnyJohny +6, MelmothTheWanderer +38

Welp, it officially bombed.
Ch1 200 units
Ch2 100 units
We he announced it was going to be a incest vanilla to netorare story he really got the Haitoku treatment lol.

Base +20, your_name +6, ScrawnyJohny +6, MelmothTheWanderer -30, Zantos -7, TheBrojangles +6

怎么开始牛了啊，好难受

Base +7, moranqiancheng +6, fhsneoeke +6

橘家 有些台词都一样

Base +7

Looks promising

Base +6

这ntr篇剧情上来说是对橘家粗劣的模仿，后面几个动作场景也很像橘家，不如纯爱到底

Base +5

勾石续作

Base +2