![[Traditional Chinese version] Erotic sister and younger brother](https://hentai.4urinfo.com/wp-content/uploads/2024/07/RJ217642_img_main.jpg "[Traditional Chinese version] Erotic sister and younger brother")
Isako finds out that her younger brother is masturbating in his pants…
This is an original 18+ manga about her older sister and younger brother.
~Synopsis~
With her father’s remarriage, Isako has a new younger brother.
Isako had feelings for her younger brother, but perhaps he was avoiding her and they couldn’t get along.
She was living a troubled life.
One day, she came home from school and when she entered her room, her brother was masturbating in her pants.
As her older sister, Isako has to scold her, but Isako sees this as a chance to close the distance between her and her sister…
Color cover 1 page, text 15 pages, total 16 pages.
![There’s nothing to do during summer vacation in the countryside, so we sweat every day and make a cute baby by having sex with Sumire Big Sister [KU100]](https://hentai.4urinfo.com/wp-content/uploads/2024/07/d_416950pr-120x68.jpg "There’s nothing to do during summer vacation in the countryside, so we sweat every day and make a cute baby by having sex with Sumire Big Sister [KU100]")
