Killing Note (2016)

Tai-wei fond of writing horror novels at class happened to find out the relations of Hsiao-yin (girl, 18) and Chen Chien-ping (male teacher, 36) during the break when he retrieved his novel from the trash can. Chen once asked both not to swim, but she swam with the uniform and he was attracted. He was invited to kill Chen with her after both were close. He came to love her in the process and retired from the plan, but she made him determined by lying Chen raped her, but both came to know it hard to end a life after a kitten was strangled. She was hospitalized for illness and suffered for his failure, but he did it out of his trust in her in the end.