I keep some, but I don't really hold attachment to them. I kept a small cross-section just so that I could remember how I've progressed and what I did..., but I throw most of them away or give them to people.

Takarazuka is really more about a full performance, a play/musical, than the music specifically. :)

some people really enjoy 3d, I just prefer working with pencil. I'd rather do storyboarding than animate in 3d. they're all different aspects