Poplin or a lighter twill are the two fabrics that come to my mind immediately -- neither will be too heavy for the shirt, but should give you a crisper finish than (for example) quilting cottons would. And both are used for shirting.
Gypsy Queen - Trinity Blood - 80%Next Event: ???
Kanzeon Bosatsu (artbook formal) - Saiyuki - 16% - ON HOLD
Elisabeth (red ballgown) - Elisabeth (Takarazuka) - 4% - ON HOLD
Therese von Ludowing (Sound Horizon's Märchen) - 53%
Catelyn Stark (ASoIaF/GoT) - 16% (basic 6%)
shenanigans - perpetually planning
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