You know the drill, post imoutos and discuss why they're all best.
Wasn't even best girl.
Sacrificed her own dream of marrying onii-chan so he could be happy.
>>157766848
Worst girl
>No Mitsuki imouto
why even live?
>>157766848
Bap imoutos!
Anons, go hug your imouto and post results!
>>157767604
Brotherly vAginal Penetration?
Brotherly Anal Penetration?
>>157767236
>>157768160
obviously the latter
>>157767604
In their wombs
>>157766953
>4 years
>>157767056
>Believe that onii-chan will be happy without her
Dumb NBR trash
>>157766848
Kirino on the front page!
>>157767100
Friendly reminder that if another man has to protect your imouto because of your shortcomings you're a filthy heretic.
>>157766953
That's neither best girl nor an imouto so she's irrelevant.
>>157767236
>>157772591
>>157766848
ku ku ku
>>157777682
Top tier Imouto stuck with a trash Oniichan.