[Shikamaru had just finished sealing another body into the scroll. Once the cloud of smoke dissipates (fairly fast), standing over him like she is Sheena may notice the kanji for "body" repeated several times on the parchment.]

It's a storage scroll. [He looks back down at the paper.] I'm sealing the bodies into it so they're easier to carry. I can transport more than a cart would with it, and it's less of a pain that way.