Xu Siyue has a younger brother named Ji Ling. In Siyue's eyes, Ji Ling is better than anyone else, but she doesn't know that such a good brother has never been kind to her.
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"In April, I will go behind you and hug you like an assassin." Xu Siyue often hums this song, and Ji Lin always wonders what it would be like to have Siyue in his arms. He thinks it would be great if he could hide Siyue like an assassin. In Ji Ling's eyes, there are two types of people in the world, one is Siyue and the other is others. Ji Ling neither loves himself nor others, but only loves Siyue because she is the scorching sun in April that warms his heart.
Purpose: redemption