Tomboy, tsundere, sweetheart.

She's a tomboy and that's it, there's no reason to turn her down! At least she has experience as a gamer (hopefully). She's a tsundere that she will love Jess, but at the same time be cold to him in terms of a romantic relationship. Will be shy and sweet when she finds out she's loved and will be crazy about Jess. And now, what's left is the appearance and the name.