[elrey]

Originally Posted by coin

No problem.

If it interests you there are two hentai doujinishi based off the series. Natsumi Up Down by fakean.

https://nhentai.net/parody/kimama-ni-updown/

The DLsite English page lists it as a parody based off the series. Different characters, similar concept.

https://www.dlsite.com/maniax/work/=.../RJ072990.html

oh I didn't know that, thanks for the suggestion!