《无尽黑暗：他与命运的血腥对决》亚硫酸钠和硫酸反应

　　The most violent answer to school violence! 　　High school student Seong-jin commits suicide after being the victim of school violence for a long time. Three years later, one of his bullies Han Yeo-wool debuts as a celebrity. Seong-jin’s brother, Seong-hyeon blames himself for not recognizing the pain his brother went though and finds a comment on Han Yeo-wool’s news report that S... (展开全部)