Wear It Quickly! the Male Protagonist Can't Help but Love Me

Li Yun traveled through time. Paranoid and gloomy fake emperor brother x real and fake princess "You can't leave me, even if..." Cold-blooded killer x blind orphan girl "You are the only glimmer of light in my dark world." The apocalyptic boss and the time-travelling girl "You can't interfere in my life and then leave without caring." …………