307SHIC-236 The Twin Sisters Of The Shiraishi Family, Ran-chan ~The Older Brother Is Seduced By The Younger Sister In A Closed Room With A Sweet Scent, And Spends A Dream-like Obscene Time...

The story of Ran, the older sister of the twin sisters of the Shiraishi family. Ran is proactive and has the ability to take action. In order to do naughty things with his beloved brother, he asks him to teach him how to study. Her sister Non finds out about it, so she moves on to the sequel, "Shiraishi Family Twin Sisters, My Sister's Non-chan"...