Summer~Life in the Countryside~

Your younger sister, Tsukino Yuzuha, is an excellent student who excels in both academics and sports. Due to this stark contrast, you, an ordinary brother, have kept your distance from her. After the school's closing ceremony, you returned home and accidentally caught a glimpse of your sister in her underwear.

"You get excited by seeing your little sister in her underwear, Onii-chan?"

However, that honor student sister of yours... turns out to be a cheeky brat!

"Onii-chan, your summer vacation belongs to Yuzu."

Now, with this cheeky brat having leverage over you, and you being at her mercy... a sweet and naughty summer vacation between the two of you begins.

Residential areas, farmland, and mountains in the distance. Although it is hardly a remote area
It can never be called a city. It is a country town that can be found anywhere.
The protagonist returns there at the height of summer and takes a job as a live-in temporary worker at his former alma mater.
He takes a job as a live-in janitor during the summer vacation.
There, he meets his niece, Takanashi Takanashi, who has moved there after her parents’ divorce.
Otsuwa (Takanashi Otsuwa), who moved there after her parents divorced,
Rino Akatsuki, her older childhood friend.
Rino Akatsuki, her older childhood friend. Otoha is a transfer student taking remedial classes,
Rino had to attend school during the summer break for club activities.
They used to play together as babysitters in the past.
The relationship between the three reunited girls was not the same as it had been back then, but had changed slightly.
Was it simply because they had grown up, or…?
A chance encounter with Otowa and Rino,
The protagonist begins to develop a special relationship with Otowa and Rino.

Enomoto Ryoka is a childhood friend and the ace of the girls' basketball team.
They grew up together in a rural village, and she was the girl he secretly loved --
 
What kind of acts did she endure?
 
How did those filthy men connect with her body?

Jiajun Lin, a high school student and the hero of this story. He came to a village named Tangxia because of the request from his father, who was the principal of a private school. He met a farm girl who had her own dream and he also met his childhood after a 10-year separation here. As the time goes by, the hero was blended in the village life. However, he realized that some unsightly social abuses were hidden behind the beautiful landscape of this village. The hero, was trying to save these two girls from those abuses...

One day, a schoolgirl suddenly grew a penis.
She is a schoolgirl who suddenly grew a penis…
“All schoolgirls must be frustrated, so I just have to push it and I’ll get it! He recklessly tries to get the most beautiful girl in the school, but of course he fails.
He gets some advice from his only otaku friend, who also pulls him out, and sets his sights on an ideal harem life.