yuunagi (seventh heaven), constance grail, scarlet castiel, eris no seihai, commentary request, highres, official art, second-party source, 1boy, 2girls, black choker, black hair, blonde hair, blue hair, breasts, choker, cleavage, closed mouth, colored inner hair, copyright notice, cover, cover page, dress, falling petals, flower, green dress, green eyes, large breasts, long sleeves, looking at viewer, medium hair, military uniform, multicolored hair, multiple girls, novel cover, pendant choker, petals, purple eyes, randolph ulster, red dress, red flower, red petals, red rose, rose, short hair, smile, white flower, white rose