The 5th volume of Retort Pouch! manga will be released on December 19th.
The author, Mengo Yokoyari, posted the cover on Twitter.
Retort Pouch! written and illustrated by Mengo Yokoyari is a seinen manga about sex.
"Who will manage to keep on having a crash and stay "pure" to the very end?!"
It initially was serialized in Miracle Jump, but transferred to Weekly Young Jump, and has been serialized in the magazine.
Mengo Yokoyari is known for his work, Scum's Wish, aka Kuzu no Honkai, which inspired TV anime adaptation.
Via - Official Twitter Account: