Minato led a mild high school life until an app called "Sacrificial Ballot" invaded her phone. The app forced her to vote for a classmate, with the "sacrificed" person facing "social death." Frustrated with Kana's lack of communication, Minato hastily cast her vote for her. When the results were revealed, Kana had the most votes in the class. Dismissing the app as a mere prank, the class carried on. But little did they know that this was only the beginning of a string of unsettlingly immoral events.
