A story in which Chifuyu Matsuno's older sister, Y/N Matsuno, Comes back to Japan to live with her family after studying abroad. Y/N Matsuno was enjoying her time being back and reunited with her family. However, one eventful day, she ended up being in the wrong place at the wrong time and her fate with the king of Tenjiku, Izana Kurokawa, begins. A fate laced and full of toxicity. This is some-what a 'yandere' book. All characters (Apart from Y/N) Belong to Ken Wakui, the creator of Tokyo Revengers. MANGA SPOILERS UP AHEAD.