One Day His Memory Disappeared

<This work contains elements that may trigger trauma, such as suicide. Please be mindful when reading.> I received a call from a college classmate after 8 years. She said that he attempted suicide by jumping from the 7th floor of his company building. What's worse, he suffered a severe head injury from the fall and lost all memories after his sophomore year of high school. He's looking for me, his former tutor. I was concerned about what could have led a carefree high schooler, who seemed to have no fear in the world, to attempt suicide. However, despite the unfortunate news, I hesitated to go see him because he was a guy who had obsessively chased after me like a madman 8 years ago. <A ...