First, I should figure out what happens in chapter 30 so I can summarize it accurately. Since I can't read the actual raw chapters, I'll have to make educated guesses based on common manga tropes and any prior knowledge of the series. Maybe the story involves a group of characters on a mission, facing some antagonists, or uncovering a mystery. Let's say in chapter 30, there's a major twist or a confrontation between two main characters. Perhaps a revelation about a hidden truth or a betrayal.