University student Kana is being stalked by someone without anyone knowing, causing her significant distress in daily life. Once enjoying a fulfilling campus experience, she now finds herself on the verge of losing emotional stability. When she confides in her part-time job's store manager, he prioritizes her safety and takes action by arranging a bodyguard to protect her. Touched by his kindness, Kana begins to feel slightly more at ease—until further events shake her even more deeply. Hidden dangers from the stalker close in, while the manager's actions trigger new troubles, drastically upending Kana's life.