Answer:
I believe that it is C. Jeanne Wakatsuki herself
I hope this helps
Now what in the world is that question
Laughing can relieve muscle tension and stress. Laughing also causes your brain to release hormones like endorphins. It also decreases stress hormones, which is a big help. When you laugh you also take deep breaths, so you end up getting more oxygen in our blood stream. Laughing can also improve your immune system, so you can fight off infections better. Try to expand on that. Hope that helps.
I believe it is to express so D