Boku ga Boku ni Koufun Suru Wake ga Nai! ~Onee-chan no Otouto Josou Kyouiku~ by Appetite - Adult Sex Game

"Ah, Chisa senpai."
Sighing classmates watched my sister Chisa through the window, while we ate lunch with her in the yard.
Her smile, full of light, attracted the eyes of many, even unnoticed by herself.
Being the brother of a sister like that is not easy ...
"I'm at home" "In return"
"Hmm ~ ~? What is it? Being the sister of many desires, are you embarrassed?"
The sister was surprised and looked at me smiling.
"Well, what are we going to do today ..."
And I just waited in silence for my sister to find something for me.
A little later today to find something amazing ...
"Well, you have to take off all your clothes first anyway!"
Only my sister knew what was hiding underneath "Another Image" ...