By doing art

Practice. Simple as that

mmmmmmmmmmm practice,try new styles and don't stop until it how you want it >:3 but ur art is good the way it is ^^

You are already good ;3

heyo i have the fanart https://cdn.discordapp.com/attachments/427939751321141258/480789091068280834/39391316_218154632381039_1414660986333298688_n.png