It was spring 2012. The darkness brought about by the overwhelming destruction has been covered up by years of calm. Although the Asian continent has temporarily returned to peace, it also foreshadows the arrival of the next darkness - but the story finally kicks off with a murder.
A murder case occurred in 1996, and the murderer escaped. The protagonist's time was stuck in the case in 1996. Only changing the ending can break the fate. The sudden butterfly flaps its wings, like a game of choice. Where will you go? Taking this as an opportunity, the true face of the invisible hands controlling everything behind the scenes was slowly revealed...