+18
Adult content. This work is rated 18+. The images stay hidden until you confirm.
Tsuuhan de Ayashii Kusuri wo Katta node Imouto ni Nomasete mita
通販で怪しい薬を買ったので妹に飲ませてみた
A brother purchases a suspicious drug through mail order and decides to test it on his younger sister. The drug promises to have unusual effects, and he is curious to see what will happen when she consumes it.
As the sister takes the substance, her behavior begins to change in unexpected ways, leading to a series of intimate and compromising situations. The brother observes the consequences of his reckless experiment, blurring the lines between curiosity and exploitation.