The song about continuous regret. It's Jin's 10th published work in the Kagerou Project series and his 15th upload overall The song focuses on Shintaro and his regret over Ayano's death. It is featured on Jin's second major album Mekakucity Records. The song entered the Hall of Fame within one day, and the Hall of Legend after 26 days (April 25, 2013). Main article: Kagerou Project