HIStory 1: Obsessed 
Episodes: 4
Disc: 1
Audio: Chinese Mandarin / Taiwanese
Subtitles: English (Excellent)
Starring: Bernard He, Teddy Ren, Charles Lee, Yee Chen

Synopsis:
HIStory web series 1 follows the story of Shao Yi Chen, a man who dies in an accident involving his boyfriend, Jiang Jing Teng. Shao Yi Chen is reborn and sent back 9 years. To save his future self he avoids Jiang Jing Teng and avoids his feelings for him. Problem is Shao Yi Chen has loved Jiang Jing Teng for a long time and has written about him in his diary. While destroying the diary, Jiang Jing  Teng discovers a few pages. Causing Jiang Jing Teng to become curious about Shao Yi Chen. Will he resist the love of the handsome man Jiang Jing Teng and save his future self, or will he fall for the same man twice and risk his life?