MENTAL Deterioration. [Yandere! Hanako-kun X Reader]

[COMPLETED] [Yandere! Amane Yugi X Reader] [RANKED #4 IN "HANAKOKUN" 2/18/21] What happens when the strongest of out of the seven wonders abandons his duty all because of a single individual? Inevitably, chaos would brew, and all rules would be violated. As things take a dangerous turn for the worst for you, you enter...