raws: https://e-hentai.org/g/2783608/5a59ecf7d5/
https://hotate0731.fanbox.cc/posts/7173958
https://fantia.jp/posts/2445323

artist links:
https://hotate0731.fanbox.cc/
https://www.pixiv.net/en/users/29573185
https://twitter.com/hotate3333333
https://twitter.com/hujitubo7777/
https://skeb.jp/@hotate3333333
https://www.dmm.co.jp/dc/doujin/-/list/=/article=maker/id=206423/
https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG71992.html

Isn't the declining birthrate due more to economic and social issues rather than physical or biological problems?

Base +6, Diablofan +6, darkwing42 +53, Sylphvine +6, PuddingCups +6, MechWarriorNY +11, Honeybadger101 +10, Hardcorey +8, nolol111 -6, DJ_Puchuu +17, Guvkun +6, qwerty5715 +6

"Scientist who creates a weird drug as a thinly-veiled excuse to get railed by her lab assistant" is one of my favorite genres of hentai.

Base +6, spr33 +10, Diablofan +6, darkwing42 +53, Sylphvine +6, PuddingCups +6, Chronoloxia +6, aimu23 +6, Helium42 +7, Tarball +13, kieran1017 +6, theokayman +7, Crimson13 +8, and 3 more...

#hydrate redeem

Base +7

@JuggaloHome yes but need an excuse plot, and perhaps they're loathe to admit their society/etc is flawed.

Base +8, Ingryo -6, johj333 +6, Helium42 +7

For the Science!

Base +6

Last panel is Jennifer Lopez and Ben Affleck

Base +6

To be fair, male potency IS declining at an alarming rate. But it's hardly the entirety of the problem.

Base +8