【River Pig Poison】Just pick it up.

[The aphrodisiac spell malfunctions, and Patchouli can’t stop being horny.
It’s a doujinshi that’s forbidden for 18 years. Total 26 pages (including cover)

This is a sequel to odd(2), odd(4), odd(4), odd(4).

This is the DL version of the doujinshi distributed at Comic Market 89.