Shi Nian Hou, He Siduitou Jiehun Le

After 18 years together, freshman Han Shen and childhood friend Su Qian have been admitted to the same university. After Han Shen got struck by lightning, he became confused. He claimed to be from ten years in the future, and that he and Su Qian were married! For the boy who claims to be a husband and the girl who isn't sure about her feelings, they find their relationship can't help but change…

(Source: Pocket Comics)