【River Pig Poison】It’s just a reference.

[To a boy whose life has been ruined by his own troubles.
It’s a doujinshi of the Oneshota type, where Hina-chan gives him the joy of living (sexually). Total 26 pages (including cover)

The numbering is [拾參(13)], but it is not a sequel to the existing publication, so you can enjoy this work alone.

This is the DL version of the doujinshi that was distributed at the 14th Hakurei Shrine Festival.