Therefore, after the injection, Serenity had to comfort Jackson. "It's alright, I'm fine. It's just an injection. It's not that painful."

His eyes were slightly bloodshot. Not painful? How could it not be painful?! He already asked the doctor about it and was told that, the more injections she got, the more painful it would get.

"It's okay. Didn't you just tell me not to be sad? Now, you're the one who looks like you're about to cry!" Serenity said, "We have to go to class soon."

She gently p