and Shinoa, she holds a bouquet of white roses, white roses represent pure, sacred love, honoring a love that is without the temptations of the flesh and together by the bond of two soul, in contrast to red roses, white roses also mean "quiet love".
while Mika wears both red and black roses, the red rose symbolizes passionate, romantic, strong and intense love, happiness, perfection and also the promise of a growing love long lasting, strong bond, but black rose represents death, farewell and rebirth, new beginning.
In the new official OnS art, Yuu wears a blue rose, and the blue rose represents an eternal, undying and faithful love, mysterious, but the blue rose also symbolizes the unattainable, blue rose is also likened to a dream that never comes true. #MikaYuu