Juunengo no Hachigatsu Kimi to.

When Saya left her backwaters town for the big city, she and Junpei made a promise to get married when she returned. But when she comes back ten years later with a serious glow-up and a new beau in tow, the faithful Junpei's going to need a little bit of luck (and a whole lotta fuck!) to win her back!
(Source: Fakku!)