another sample site:
/g/2230804/d976f2bea6/
/g/2230838/770bc42da1/

another sample sale doujinship: toranoana, buyee.jp, yahoo auction, suruga-ya, mandarake, ruten

site link:

Kawaii Onnanoko ni Kouryaku Sareru no Wa Suki desu ka:
https://cclawtranslations.home.blog/kawaii-onna-no-ko-ni-kouryaku-sareru-no-wa-suki-desu-ka-toc/

Ryoushin no Shakkin wo Katagawari Shite:
https://ryoushin-no-shakkin.fandom.com/wiki/Ryoushin_no_Shakkin_Wiki
https://www.zerochan.net/Ryoushin+no+Shakkin+wo+Katagawari+Shite?p=1

incubus banshiment:
https://docln.net/truyen/11791-incubus-banishment-even-though-i-got-banished-from-the-capital-because-i-received-an-obscene-gift-i-leveled-up-like-crazy-just-from-doing-perverted-things

maou gakuen rebel:
https://maou-gakuen-no-hangyakusha.fandom.com/wiki/Maou_Gakuen_Rebel_Light_Novel_Volume_5

tenshi maou:
https://imgur.com/a/67e8ZIi
https://m.facebook.com/TakeshiBlogs/posts/1974367982713049/?locale2=ne_NP
https://twitter.com/kiyoe_sans/status/1300651052048539648