It´s not from a manga, sadly
it´s from a personal artist, named Minamoto
https://konachan.com/post/show/307500
https://gelbooru.com/index.php?page=post&s=view&id=5298173&tags=%20-ichiya_
(splatoon)
and it is used as a cover for an audio erotica:
https://www.dlsite.com/ecchi-eng/work/=/product_id/RE284318.html
it´s from a personal artist, named Minamoto
https://konachan.com/post/show/307500
https://gelbooru.com/index.php?page=post&s=view&id=5298173&tags=%20-ichiya_
(splatoon)
and it is used as a cover for an audio erotica:
https://www.dlsite.com/ecchi-eng/work/=/product_id/RE284318.html
freddyssecret confirms this as correct.
Can YOU Name That Porn?
You can still post as anon. Reload after login
It´s not from a manga, sadly
it´s from a personal artist, named Minamoto
https://konachan.com/post/show/307500
https://gelbooru.com/index.php?page=post&s=view&id=5298173&tags=%20-ichiya_
(splatoon)
and it is used as a cover for an audio erotica:
https://www.dlsite.com/ecchi-eng/work/=/product_id/RE284318.html
it´s from a personal artist, named Minamoto
https://konachan.com/post/show/307500
https://gelbooru.com/index.php?page=post&s=view&id=5298173&tags=%20-ichiya_
(splatoon)
and it is used as a cover for an audio erotica:
https://www.dlsite.com/ecchi-eng/work/=/product_id/RE284318.html
freddyssecret confirms this as correct.
SPONSORED
Other unsolved questions