https://www.dlsite.com/maniax/work/=/product_id/RJ245440.html
https://www.dlsite.com/maniax/work/=/product_id/RJ245305.html
https://www.dlsite.com/maniax/work/=/product_id/RJ247854.html
https://www.dlsite.com/maniax/work/=/product_id/RJ249737.html
https://www.dlsite.com/maniax/work/=/product_id/RJ250530.html
試しに「発売から１年〜半年経ってるのにDL数が10以下」のを抜き出してみた