Looking for more doujins like pic related where the plot device or whatever is the little sisters friend seducing the brother.
https://exhentai.org/g/955868/6354a8f61e/
link so you know what i'm talking about.
bump...
>>14780218
https://nhentai.net/g/152067/
https://nhentai.net/g/153244/
https://nhentai.net/g/150547/
these next two have the little sister join
https://nhentai.net/g/101144/
https://nhentai.net/g/141117/
>>14780833
appreciate it