THE GIRLFRIEND RENT-ALITY As Kazuya and his rental girlfriendâs lives become more and more intertwined, their feelings become as complicated as ever. After awkward encounters with their family and friends, who now think theyâre really dating, and a heated exchange with Kazuyaâs ex, the best thing to keep their relationship âprofessionalâ might be taking some time apartâbut fate may have other plansâŠ