Reborn: I Have Two Bodies

When Shen Xiangyang wakes up, he discovers that he's been reborn in his high school years. But he soon realizes that this world is a little different from the one he came from. And he also discovers that he has another identity. He constantly switches between the two, all to make up for past regrets and surpass himself. But... You women, stop getting in the way of my progress! Little sis, please don't crawl into my bed. Thanks. Senpai, please don't kiss me on the cheek. Kouhai, please stop getting handsy with me. All beauties are pink skeletons. If accepting them is a sin, then I'm willing to bear that sin for all of humanity! For humanity's sake, I will fight you to the bitter end!!!