#202 of 2D Dream Novels. This one can be seen as the 2nd entry of a series, previous can be found here (#188) https://e-hentai.org/g/561538/b31cc92ace/ Though no much relations in between, but the concept is the same: to banish the monsters.
No entry on mugi database, but a digital version can be found: http://www.dlsite.com/books/work/=/product_id/BJ001510.html