The protagonist in each world is different. Anyone can be the protagonist. Their stories are ordinary and they all tell the story of I love you.
Advocating violence to solve problems Shen Qimian x Xu Lieqing (school violence perversion)
The moon is far away from you Wen Hengxin x Xie Hesiao (adopted by a wealthy family)
I killed myself, you have to love me Zhou Guqing x Zhou Du (Grudges, Pure Love)
Purpose: Promote moral quality education