A dedicated cram school teacher begins pursuing entries on his private list of appealing types, starting with an innocent-looking schoolgirl. Their paths cross during a crowded evening commute, where brief glances and proximity spark an undercurrent of mutual interest. As the teacher makes his first calculated move, everyday routines give way to charged tension aboard the train. The episode follows this initial encounter, highlighting the blend of restraint and anticipation that defines his unfolding pursuit.