maru (my oc's ) anniversary picture

Iiiiiiit's official! Maru's birthday is today. To celebrate, I have decided to post this art I did in a week before graduation. Tell me how to like it.
Biological information:
Age: series: 16, bio: 17.
Elemental of fire and ice.
Biological parents: Kaiba kurogane and Mary groves
Relationships: Hiroshima kurogane (brother), ryuga and takeru otaku(twin cousins), and Ice (girlfriend)
Personality: nice and charming. But is serious for most of the time.