Reika's new wetsuit (Patreon)

Wearing a new one-piece wetsuit, Reika decides to break it in by doing a bit of a snorkeling;  of course, the fit isn't quite as comfortable for her as she'd like, so she tries to make some adjustments while underwater;  inevitably, she decides to make good use of the suit's relief zipper and gets a bit carried away...

You'll find the full illustration in the Dropbox;  enjoy!