A fat otaku starts by maxing out his looks through a self-discipline system.

Upon entering high school, Lin Ye was bound to a self-discipline system. By completing various self-discipline tasks issued by the system, he could earn attribute points and various rewards. [Completing the daily morning run task: Reward - Physique *0.1] [Completing the daily task - Early to bed and early to rise: Reward - Appearance *0.1] [Completing the task - Mastering 2,000 English words: Reward - Beginner English Proficiency, Spirit *1] Through day after day of perseverance, Lin Ye unknowingly transformed from a chubby boy into a sunny, handsome man who stood out in a crowd. ——————The author also possessed a self-discipline system; this is not just random writing.