Net de Deatta Kyonyuu Kanojo to Attara Shiboritoraremakutta Hanashi.

Yukari has a masturbation problem. The problem being she needs her boyfriend Kazuki to masturbate with her over the internet or she can't get off. But now, after being gamer buddies and then girlfriend/boyfriend online, they're finally going to meet in person. And they're going to need a clean-up crew for all of the love juices when they're done! Based on a true story.
(Source: Irodori Comics)