Resized to 70% of original (view original)
Artist's commentary
Girl getting open-minded on a private beach
The usually meek girl, swept by the situation, did this suddenly, regretting it right away.
She never did it again.......
I want to encounter such lewd situation
A story is available on Ci'en (free for everyone)
https://ci-en.dlsite.com/creator/4565/article/497183