The protagonist was diagnosed with leukemia and only had two months left to live. But for him, there was only one month left, because in the last month, he would lose all his hair and lose mobility. He could not accept becoming a useless and ugly self. He chose to give up treatment, but he soon told his lover that he was not going to die soon, and finally used this month to accompany his lover.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.