If You Make the Wrong Medicine for a Demon, You Will Be Wiped Out and You Will Take Your Credit?

After three years of refining medicine for a murderous demon, I was finally about to produce an elixir. At this critical moment, I discovered that one of the ingredients was wrong, which meant that the elixir could not be condensed. If the old demon knew about it, I would definitely be killed. Just when I thought I was about to die, my junior brother actually came over to steal the power, saying that he had made the elixir and had nothing to do with me. Even the senior sister with whom I usually have a good relationship swore to testify for my junior brother, saying that it was my younger junior brother who practiced it... I was so stupid that I almost jumped up with excitement! Is anyone taking the blame? I suppressed the corners of my mouth that were about to rise... "Okay, then you made this medicine!" "This is probably the case. I have just turned 18 and am not very good at writing books. I am a complete newcomer. I won't say much else. Let's move on to the main text and finish!