Despite being shy, Suzu-chan is a little assertive. She tries to open her mouth and show it, but it's a bit awkward. It's cute how she's panting as she tries her best to show the back of her mouth. Once the mouth opener is in place, there's no hiding anymore. At this close distance, you can clearly see inside her mouth, and the drool is dripping down... She's embarrassed, but she doesn't stop. Rather, being watched seems to turn her on...