(FF - Yuri Manga) Kimi Koi Limit

Back in high school Sono confessed her love to Sato, but she was turned down. Now she lives as a freeloader in an apartment shared with her girlfriend, Hiroko. However, she still hasn't forgotten about Sato and when she cries out her name while having sex with Hiroko, she finds herself in some serious trouble...

I recommend CDisplay for viewing manga that are contained in .zip and .rar format.