Make sure to highlight the suspense and tension in chapter 7, perhaps a specific scene that shows character dynamics or a new threat. If there's a betrayal or alliance formed, that's a good point. Also, the title "Ashita Dareka ga Shinu" (Tomorrow, Someone Dies) suggests that each chapter is building up to someone's death, so chapter 7 might escalate things.
You can find the full run through various manga communities and discussion boards like Make sure to highlight the suspense and tension
: The isolation of the luxury ship becomes a major plot point, as there is nowhere to run from the lethal games organized by the hosts. The series is completed with 3 volumes and 17 chapters or more details on the main characters that's a good point. Also