Miharu struggles to contain her growing frustration as she navigates another day of secretive demands, all while guarding her hidden circumstances from those around her. The familiar obstacles of school life only heighten her tension, pushing her to maintain a composed exterior despite constant pressure to follow instructions. In the midst of an ordinary lesson, an unexpected demonstration leaves her on edge, and after vowing to end her compliance, she finds herself drawn into an unforeseen encounter in a quiet park at dusk.