Still reeling from his private encounter with the captivating senior Mizuho, Tomohisa finds it impossible to concentrate as memories linger throughout the school day. Spotting that both Endou and his secret crush Mikura have disappeared from class, he grows increasingly anxious about what they might be doing together. His search leads him to the fire escape, where an unexpected scene confirms his suspicions and stirs complicated feelings about desire and connection among classmates.