*Third person in the text*Perspective of the heroine*
Copywriting of this article:
My junior sister and I are childhood sweethearts, and I am very happy with her.
I have been waiting for her to marry me when she grows up.
But during an assassination mission, the junior sister unexpectedly met a pretty boy.
Junior sister had a crush on that pretty boy, but ignored me.
I was heartbroken and jealous.
How could I just give up? !
Intention: If you love, please love bravely.