|Alias||M-Kage of the Rose|
|Voice Actor||Atsushi Tamaru|
|Hair Color||Dark blue|
|Occupation||12th grade student|
Mikage is a kind, highly tolerant and respectful boy. He is a little withdrawn when compared to his misbehaving classmates, due to his strict upbringing, but shows a snarky side when it comes to his roommates Masago and Jasper. He likes cleanliness and politeness and often clashes with Jasper because the latter stands for neither of those qualities.
Mikage feels fettered to his family due to the pressure of inheriting their flower arraging art, something he's not sure he wants.
As M-Kage of the Rose, he turns into a suave, womanizing, elegant thief.
He is the heir of the Shirashi family, known for their flower arrangement skills. He's a student of the Plum class at the Sunshine Academy. Both Ruby and Kanon have crushes on him. He has a best friend in Masago and a rival in Jasper.
Mikage started to have feelings for Kanon after he tells her that he loves her, unknowingly that he and Kanon are related to each other after being separated during their birth. He disappears when a masked man who looks like him appeared in episode 32. The masked man's name was revealed in episode 32, where he is known as "Phantom M-Kage," a villainous mastermind who works for Dark Queen.
In episode 48, Mikage was shown to have feelings for Ruby. But when Tour confess his feelings for Ruby, Mikage was a little shocked and angry in the end of the episode. Mikage request to the Queen that he wants to be a Jewelpet too but she refuses. In episode 52 It is revealed that he met Ruby in his childhood past. After the battle was over Mikage appraoch the Queen again and asked her to turn him to a Jewelpet this time the Queen ageed to turn him to a Jewelpet and was touch because Mikage wants to be turn to a Jewelpet knowing that he will abandond everything just to be with Ruby. Labra saw how Mikage turn to a Jewelpet then during the graduation Mikage was the only one who did not show up. 5 years later in the reunion everyone was there except Mikage who still did not show up. In the garden Ruby was crying until a gray-maned white lion Jewelpet approached her. Ruby did not recognize him until he brings out a carrot then Ruby recognize his voice and said to her that he is back. The episode end with Ruby and Mikage hugging each other.
- He is the first human character in the series to be permanently transformed into a Jewelpet; in this case, Granite.