As the mysterious game begins in earnest, the captives learn the stakes when defiance triggers swift and horrifying punishment for one of their own. Amid rising panic, Keisuke wrestles with unexpected impulses while Nemu senses his inner turmoil and binds him to an uneasy alliance through a charged kiss. Resolved to shield his childhood friend from harm, he steels himself to navigate the deadly rules, even as his darker urges threaten to surface. The path to freedom may demand he confront both the complex's sadistic design and his own hidden nature.