ムラつきが抑えられずローター3つも使って外に聞こえるような声であんあん鳴きながらどスケベオナニーしていたところ、突如やってきた盟友に全部バレてこのあと大変な目に合わされるであろうにとりさんです。

▼フル解像度版とか大人の盟友向けとか
https://fantia.jp/posts/4080672

Nitori couldn't control her urges, used three vibrators and was moaning so loudly during her obscene masturbation, it could be heard outside, when suddenly a sworn friend walked in to see everything, leaving her in an awkward position.

Full resolution and other versions for adult sworn friends:
https://fantia.jp/posts/4080672