I wonder why her color's blue

It's the spermicidal magic, we saw it before when he last came in her.

What's funny about this is that Allison thinks it's over now that Torin's cum inside her not knowing that this is merely the intermission to her current encounter with him -- the best is yet to come (er, cum) in what could be called "the grand finale"!

Allison is bordering on glowing, her post-orgasm high evident. Shading and colors are so well done in these comics