Shirodatsu no Masquerade
From Aqua Scans: Elite Development Education Academy, NOBLESSE OBLIGE. The grandson of the President of the Academy, the heir promised as the next president, Inaba Hakuto. Dorry younger brother who supports him, Inaba Kokuto. However, with the death of the president, the fate of the twins begins to deform much. The one who has a key is a demon who lives in a mask ... Masquerade ...