https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_680779/

マッチング女子校生のエッチな性育記series

1 https://e-hentai.org/g/3578077/7197223d42/
2 https://e-hentai.org/g/3578081/7d58e60d59/

Base +25

☆Character Profile

Aihara Kengo, 40, a salesman at a small business in Tokyo, with a strong desire to dominate and a laid-back personality, used to women.
His sexual fetish is "raising" women, from innocent to experienced, to his liking.
A veteran who has already "trained" over 10 high school girls.

Katsuki Riona, a diligent and excellent student and student council president with H-cup breasts, a serious and responsible personality.
She acts perfect in front of others but is timid and unstable deep down.
She has a deep desire for approval and a curiosity about sex but has hidden these feelings.
She is a virgin with no dating experience.
One day, she becomes obsessed with masturbation and develops an interest in sex.
Aihara's techniques transform her into a female.
As her body is corrupted, Riona's state of mind also changes...

☆Story

As an honor student, Riona has always suppressed everything with reason.
However, as she yearns to be a "grown woman", her interest in sex leads her to become addicted to masturbation...
However, Riona realizes that masturbation is not enough to satisfy her and she eventually turns to a dating app in search of a "real dick"...
She matches with Aihara, who teaches her the joys of being a female with every passing day.
With each orgasm, Riona is transformed from a "good student" into a "female"...
What will be the "end" of the good student Riona, who has been completely assaulted by pleasure...?

Base +28