Tomohisa finds his thoughts drifting back to the private encounter with Mizuho that began after her note led him to the third-floor restroom. While trying to concentrate on the school day, he notices Endou has disappeared and that Mikura is also missing from her usual spot. Concerned about what the two might be sharing, he considers the secluded fire escape as a possible location for their meeting. The realization stirs quiet tension among the classmates navigating their hidden attractions.