[What exactly is the so-called heart? Why didn't the two people realize it when sending it out and receiving it?
What would you do if you discovered that a trusted friend might be an emotionless psychopath serial killer and you realized you were in love with them?
Ma Zhiyu's choice is to give half of her heart to the other person, half of her emotions to the other person, and let her make up for what he doesn't have. This is her way of atonement as an accomplice, and it is also her own irresistible wish.
Concept: People can be shaped the day after tomorrow