Thought Bubble Concept involves basically answering two questions regarding the series without completely spoiling the plot. I will answer 2 and if there's not any I will put some of my own ??
There will be an exchange,so list your series , i will ask two questions in exchange and we can continue to converse if needed ^^ Idk if this really counts as a challenge more like a Q&A round but feel free to contribute a theory.Who knows I might just go along with your theory 
Series: https://tapastic.com/series/Poison-flower
