wow that actually works perfectly, because I was think of using this image:
[hider=she'll probably be 17 or 18]
[img]https://i.pinimg.com/564x/40/d9/32/40d932cbf1a3a830580c84965675c756.jpg[/img]
[/hider]

As for my boy character,  was thinking something like this?
[hider=14-16]
[img]https://i.pinimg.com/564x/d4/10/55/d4105506f8eb6959aa248b0e69090226.jpg[/img]
[/hider]


And in terms of names, are we going Japanese or does it not matter?